Find min and max in java using scanner. Be sure to include the min and max numbers in the prompt.

Find min and max in java using scanner read outside of the while loop, because you don't want numbers that are not within your range to be processed: Then for the other readings, compare the reading to the current maximum and minimum and update the maximum and minimum accordingly. You only need one count. Pair; Using Java Arrays to get min & max. I have the user inputting test scores, asking for a negative number to leave the while loop. print("Enter Number of Students The above code will find the min and max from the given 2d array only in a row . The first Also, you would probably want the min/max values initialised this way, because if your min value is bigger than 0, your code outputs 0. Also, check and see if your value you initialized min to is below any the actual minimum of all of the elements you are checking. int first = int second = int max = Math. Sort array from smallest to largest using java. java by implementing the following methods inputIntegers() Take a scanner as a parameter Read 5 integers from a user Store the integers in an ArrayList of type Integer Return the ArrayList inputDoubles() Take a scanner as a parameter Read 5 doubles from a user Store the The program is simple, just take input from the user about how many numbers and then use a for loop to get that many numbers as input by using Scanner. min(b, c)); How efficient is this? Would it be more efficient to replace with if statements like Print out the average for each case AND figure out how closely the trials match with each other by comparing the averages using min and max. If you are wanting quick access to the largest element in a data structure, take a look at heaps for an efficient way to keep objects in some sort of order. 3,1. In my code i am trying to find from a sequence of numbers input by the user, the average of the sequence, the max number and the min number. max doesn't I want to input 10 marks for subjects from user. { //Take input from the user Scanner sc=new Scanner(System. Getting max and min value from Scanner input in Java. You have not read any values at this point, so initialize your min and max values with: I have an algorithm written in Java that I would like to make more efficient. Given an array, write functions to find the minimum and maximum elements in it. Consider initializing min to some sufficiently large value, like Integer. And same for minimum. MIN_VALUE,smallest=Integer. size() to automatically keep track of the quantity of numbers; Use Collections. collect(Stats. The problem in your code was that it was getting the max and min after the loop for input has executed. Set min with the biggest number you can find. Matching min and max means the trials match exactly –The trials match EXACTLY! The trials concur with each other if the max is less than twice the min – "The trials concur with each other!" I am trying to write a program that takes in grade numbers and returns the letter grade, and after the user enters -1 it returns the maximum grade, minimum grade, and the average grade that was entered. MAX_VALUE; your while loop is not executing as sc is null you already move your cursor to null while doing I have the code bellow that finds the min x and min y, and max x and max y, but I want the two min to be pair and two max to be pair. From the release notes:. { Scanner inp = new Scanner(System. Here is my code: import java. min(a, Math. How to find min max values in Array - Scanner class. min(min, number); Arrays. Improve this answer. println("Enter the string: "); String str=sc. using I have a Java program that stores a max of 10 arrayList items of both name (String) and age (integer), import java. If you are using primitive type or a wrapper class, in this case no need to add any comparison logic. min as static and then use just min() instead of the complete Math. It's supposed to do this how however many students are so my homework question is prompt user a series of integers and find the max and min of those integer. 10 is less than current minimum of 20, so update minimum to 10. I'm able to obtain the minimum value using the code below, however I don't know how to with your update you are converting a LINE to DOUBLE think about it, witch number is "4. min(). java. At the same time, we also keep comparing I am what they say a "noob" in the wonderful world of Java programming. I have to display the numbe Your for loop that finds the minimum should be after the while loop that reads the input, not inside it (since currently it goes over un-initialized elements of the array, so it always finds a 0 as the minimum). So, that value at 0th position will min and value at nth position will be max. Here is the code to do that. I have a method to output After sorted the array you can easily pick up the minimum and maximum value from the sorted array, Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Time complexity: O(n log n), where n is the number of elements in the array, as we are using a sorting algorithm. MAX_VALUE; int max = Integer. The flow was wrong. Using all available variable is not at all required you just need to take input put those input in array and then after to do all calculation like total, min, max, average. All the elements are further compared through There are a few ways to do it. // Java program to find maximum and minimum number without using array import java. When the program runs, the largest/smallest equals the count instead of producing the largest/smallest value the count encounters. This is a Java Program to find maximum subarray sum of an array. initialize for loop till the length of array. and repeat for the remainder of the loop. Check the below code and correct yours: int num = 0; Scanner console = new Scanner(System. However, I wouldn't expect it to do the right thing, given that Integer. Using if; Using try-catch; First Approach. Im having problems with Scanner input = new Scanner (System. The method Math. io second maximum number among three numbers without using if else or ternary operator. Get the number of input rows from the user using Scanner Class or BufferedReader Class object. Scanner; public class ArrayMin{ public static void main(String[] args){ int n, max; Scanner sc = new Scanner sc = new Scanner(System. MAX_VALUE, evens=0, odds=0; double average=0. in); double values[] = new double[20]; int count = 0; System. How can I create a scanner with array and also find min ,max and average of input user in java? Declare 2 variables, min_element and max_element, to store the minimum and maximum elements, respectively. It takes two int values and returns an int - just as you'd expect a Comparator<Integer> to (again, squinting to ignore the Integer/int difference). getting stuck on if there's only one input. min method as below: double smallest = Math. You may use an if-statement to check whether the input is larger than Integer. 1. I need to find the maximum values within an array and minimum values. Initialize min with Integer. Scanner scn = new I am reading Earth quake Stats from a file and I need to be able to determine the Min and max values of the Magnitudes. length()]; char minChar = str. in); System. min(Integer::compare); – I really need help with a problem I'm working on. Also, you Find the Second Largest Element in an Array in Java; Find a Missing Number in an Array in Java; Sort an array in Ascending order using quicksort in Java; Sort an array in Descending order using bubble sort in Java; Sort an array in Ascending order using bubble sort in Java; Sort an array in Descending order using selection sort in Java; Sort an How to find min and max: Have two variables. Scanner; import javafx. However, we are required to use only a single call to reduce. in You'd conceivably use your min/max methods in that implementation to achieve what you want. g: second reading: 10. You have values larger than that, so largest works. charAt(0 Each value entered after would then get checked to see if higher than max or lower than min. asList(array). Min and max supported by Java? The minimum and maximum values supported by Java are built in as constants. Output : max = 20, min = 1. If higher than max, assign the new value to max. MAX_VALUE (2147483647). public static int countWords(String words If performance is not much of an issue here, you can get max and min using two lines of code: int max = Arrays. 1) How do I properly access the methods in the other class 2) Need Java array help using scanner class to output an average and sort method. As you iterate update these values by comparing with value[i]. 0" Let's assume we have an array of values: int[] values = { some values } To calculate average: loop through the array and calculate the sum; divide sum by number of elements I need to find the sum, count of, number of evens, number of odds, largest, smallest, and average of the numbers of the scanned file. You can use Math. If you're using Java, it can be done in 3 lines: List<Integer> list = Arrays. Learn to write a program to find the maximum and minimum number in an array using java. Given an unsorted list of integers, find maximum and minimum values in it. Putting that together might look like First, you should take the Scanner. Scanner; public class homework2 { public int min(int[] array) { int min = array[0]; for (int i = 0; i < array. int min=num[0]; int max=num[0]; Move min and max out of the for loop. But it only seems to work perfect for finding the max and not the min. The user should be continually prompted until a number within the range is entered. hasNextInt() ) { // YOUR CODE HERE FIND THE MIN AND MAX VALUES OF THE FILE // USING THE LEAST POSSIBLE NUMBER OF First, lets start off by seeing what data we have. I am using and recommending java. 1 - Modify your for loop to get the max and min without modifying the array 2 - Try to print max and min instead of printing sum[max] and some[min] (which can throws IndexOutOfBoundsException) 3 - min_sale should be greater than 0, actually a value enough large (because you can have only positive values in your array) To summarize : You should really get rid of mainIter. The list contains the student ID and the student Mark. sort(array) to sort members of this array from lowest to highest. I think you're overcomplicating the problem: you should try thinking about the task at hand in logical steps: Have users input numbers; Add the next int that came in to the total score Coming to your question remove this line System. Let’s see what the minimum and maximum are: As such, there should be some resetting code for resetting the max and min in order to find new max and min. A subarray is a continuous portion of an array. Logic here is to have two variables for maximum and Take static input or user defined inputs using Scanner class from end user. int max=a[0]. The reason for you getting 0 as your min value is because when u call compare. I need to write a recursive function that returns the largest and smallest elements in the ArrayList and the corresponding indices. Find the min and max number from a Collection using Java streams. A part that I think could be made more efficient is finding the smallest of 3 numbers. Changing "16. if number is smaller than "min" then assign it as a new "min" value. enter the array capacity (min 1, max 20): 3 enter your array elements: 2 3 4 min = 0, max = 4 The min always remains at 0, I've tried to edit the code multiple times but I get the same result. I am new to Java and I am trying to do a program that asks the user for: Number Estudiantes { public void numeroEstudiantes() { System. Find min, sum of odd integers, and count of I'm setting up my array from a user input and then trying to find the min and max. Here i used bubble sort. It reads the user input numbers and assigns these to these three variables. using minimum comparisons. nextLine(); int[] freq = new int[str. This Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Scanner scanner = new Scanner(System. The time complexity of the following program is O (n 2). Find a maximum and minimum value using for loop. println ("Enter your numbers to be averaged. Actually you don't need an array to accomplish this assignment. 3. Scanner; public class MinArray Take static input or user defined inputs using Scanner class from end user. *; public class findElement { static void findLargest(int arr[], int n) //Method to find java How to use 1 scanner in a loop. sort() uses a version of the mergesort algorithm, which runs in O(nlog(n)). This is a interview question: given an array of integers find the max. 0. util. None of the values are smaller than 0, so smallest remains 0. length; i++ I have this code for a class where I'm supposed to use the reduce() method to find the min and max values in an array. Basically, the collector will call accept for every element resp. [GFGTABS] C++ // C++ code for the ap Here are the steps we need to take: a. println("Enter number of rows: "); rows = scanner. We have the temperature 2d array. I prepared a to do list to solve your assignment. Ask Question Asked 8 years, 4 months ago. There is something wrong in my code but couldn't find it. using max and min function Hot Network Questions Why is "as well" used here? Also Math. DoubleSummaryStatistics, so you can find some hints in their documentation. How to find max. 9,3. I looked through the Java API but couldn't find a method that would limit the amount of user input accepted. println("Enter a number Java Assignment. stream(). But you need to use a datatype of larger capacity, else it will throw you an InputMismatchException the moment you entered a value more than Integer. You need to save the first input of 1 character you receive, like so: System. print("Enter the filename: "); // User Find max value in java from file input. It // hoogste getal int zeeslag[] = {d1, d2 , d3 , d4 , d5}; int max; int min; // het op dit moment maximum import java. Get Minimum and maximum numbers from a list. Scanner; public class SortingIntegers { public static void main (String[] args sorting integers in order lowest to highest java. Scanner; public class Array {public static void Comparator is a functional interface, and Integer::max complies with that interface (after autoboxing/unboxing is taken into consideration). Maximum Value in Column of a 2D array in Java. A user should input a number "x", and then the count of "x" numbers, e. MIN_VALUE; int min = Integer. You can declare multiple int variables by using a , and I would use ++ and += to make the code more idiomatic. Now you have few options: Either store all the numbers in an array and then traverse that for min and max elements using some utility method. : for (int i = 0; i < noofgrades; i++) { double Grade = 0; was looking to find the trimmed average of an array but am stumped on how to implement it using a method. Scanner; public class MaximumMinimumWithoutArray { Level up your programming skills with exercises across 52 languages, and insightful discussion with our dedicated team of welcoming mentors. constrainToRange() (and equivalent methods for the other primitives). If this is a frequently needed feature, we better make a Collector to do the job. Scanner; class Example{ public static void find the minimum and maximum element in an array java Find max or min value in an array of primitives using Java how to find minimum value in an array java find minimum value in array in java how to find minimum and maximum value of an array max min in an array java find min and max in array java of long minimum value in java array java program As of version 21, Guava includes Ints. Obviously, I can loop over the array twice and use ~2n comparisons in the worst case but I I'm trying to use a scanner input to calculate a GPA with an array. Sample output Here is my code: import java. in array using minimum comparisons? If you are really paranoid about speed, You can use Math. Question: 4. Now no more such ridicule. Currently I'm using the Math. Lets say that you want to add the names of some student and you also want to save the corresponding marks obtained by each student. Then you should fix the classic mistake in implementing the min / max: you should either. nextInt() method. csv and it contains with the student number on the left and the marks on the right: B00123,55 B00783,35 B00898,67 I need to be able to search through this file and find the maximum mark and the minimum mark. You don't want to compare using strings but by the natural order of your double elements, i. max() and Math. Getting Min and Max from array. Scanner keyboard = new Scanner(System. Here is how the program works: First, it imports the Scanner class from the java. Call them min and max. Minimum Value in Column of a 2D array in Java. next() is reading an additional character after you get your correct line. To sort find min and max you can use TreeSet collection class. I've done everything except largest/smallest. Auxiliary Space: O(n), where n is the length of string. // This java program find minimum and maximum value Approach: 1. min() the methods that find only Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company You initialize min to 0, and no number you input is ever going to be less than 0 (assuming you're only entering positive numbers), so min will always be 0. Im not too sure how to do this. I felt laughed at myself. Modified 8 years, 4 months ago. It means that on the first index will be lowest number. comparing(String::valueOf). g. Math. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Then create a new Java application called "MinMax" (without the quotation marks) that declares an array of doubles of length 5, and uses methods to populate the array with user input from the command line and to print out the max Today we will see how to find the maximum and minimum element in an array in Java. Scanner; import java. The values come from a Junit test case or from a scanner, so the method has to work in all scenarios. max(a, Math. min(int, int) and Math. nextInt(); System. How to get the minimum of a stream of values, short-circuiting if minimum legal value is encountered. *; class So Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company . hasNext()) I have been assigned a homework assignment to prompt the user for 3 positive integers then compare and print them in order of largest, median and smallest. ; I prefer the second approach, because it keeps explicit initialization out of the code: This post is about writing a Java program to find the maximum and minimum numbers in a given matrix (2D Array). Assume three numbers are a, b and c. method of Scanner class of java. c. in); // System. A simple scan once through is only O(N). 2. User inputs int inputGrade and the program displays letter it is. package net. This This post is about writing a Java program to find the maximum and minimum numbers in a given matrix (2D Array). e. Auxilary Space: is O(1), as we are not using any extra space. It is a good programming practice that checking user entries. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Edit: I need to do the following with the array: sort, find minimum, find maximum, find the average. Initialize min_element and max_element with the first element of the array. min(or max) does not take single paramtere and wont even compile. Then, what you need to think about is HOW you are gonna find it. Is there a way to pull the min max and average straight from the array Min and Max were now equal to the max and min of integer. Scanner; public class Lab7method { public static double readNumber(Scanner input, String prompt, You just need to add a couple of if statements into for loop of main method to find out min and max values, e. I would think a while loop would be best but I'm not sure. For simplicity I just consider positive x and y in the cartesian plane. MAX_VALUE. That's O(N*Log N) total. int min = Math. for every element of a Need Java array help using scanner class to output an average and sort method (4 answers) Closed 8 years ago. After sorting index 0 element will be min and last index of array will be max and then you can swap them: A fairly standard approach is to initialize min/max variables with "worst case" values: double max = Double. I have looked after similar problems here in stack-overflow and I still can't make it work. b. nextLine()); as doing this you are making your cursor move in the next line of the file which is null so your values are getting initialize with. naturalOrder() instead of Comparator. util package to allow user In this tutorial, we will learn to write a java program to find the maximum and minimum elements in an array. min(num); your value is getting compared to a predefined local value min which is equal to 0. For this purpose, we will use two variables max and min and then compare them with each element and replace them with the appropriate number so as You're initializing the values for smallest and largest to the first element in your array before you've added the values to it, so they're both set to the array's initial values of 0. *; import java. Scanner input=new Scanner(System. Math. Then the elements are read using the scanner class. Here is an example on how to use Math. 0") you get the result you see. If lower than assign the new value to min. println("Please enter total number: "); int numbers = sc. Since it must be max in the column first, you have to iterate all positions in NO OUTPUT STATMENTS ALLOWED Scanner infile = new Scanner( new File(infileName) ); int min,max; min=max=infile. Next, we use the mathematical function max to find out which number is largest - the previously found maximum, or the next int from the Scanner. I need to find the min, max, and average of the balances. Everything works except for the minimum grade and maximum grade. Here is the source code of the Java program to find maximum subarray sum. nextInt(); // WE ASSUME INPUT FILE HAS AT LEAST ONE VALUE while ( infile. import java. They return the value itself if it's within the range, the min if it's below the range and the max if Here is a solution (cleaning up a lot of your code as well) that gets all the numbers on one line after the start of the program: import java. E. Trying to find the minimum is the problem. define maximum variable and a[0] element to it. You can use a sorting algorithm. Sorting. Commented Mar 17, 2015 at 16:47. – Ryan J. length()!=1) { Find the maximum value and minimum value in milesTracker. Set some min and max value and run a loop to get all items and also keep track of min and max in loop. Scanner; public class I'm currently writing a program where the user must input 10 numbers and then the output will be the highest number and the lowest number. Please check following code to get min and max value from all element list. MIN_VALUE; For the non-integer part: read up on exceptions and use a try-catch block to catch the InputMismatchException. So a shorter and a bit time-saver way out here is to directly import java. Be sure to include the min and max numbers in the prompt. MAX_VALUE and max at Integer. MIN_VALUE; The min and max if blocks should be the other way round. added constrainToRange([type] value, [type] min, [type] max) methods which constrain the given value to the closed range defined by the min and max values. The two bold phrases are where I am having problems. MIN_VALUE. Comparator. My problem is that i dont know how i will make my code, so when the user types 0 or a One problem I noticed: int num = input. You guys can check mine. 8 LAB: Min, max, median (generic methods) Given main(), complete LabProgram. And you can use break to terminate a loop. I have literately tried everything from writing separate methods and so on and still the output in 0. collector()) fooStream. For example, Input: arr[] = [1, 7, 5, 2, 9, To find the maximun and minimum in array, we can find it by comparing the each value Java Program to find the maximum element of an array: import java. Min & Max results of a for loop in java. Input : Please enter value of N: 5. Scanner Input Assigned to a For Loop. Also while taking input in Array you don't required to provide index manually like avg[0],avg[1] you are running a loop use that index variable . . I am struggling with this code. First, you need to move min and max variables out of the loop. MAX_VALUE and max with Integer. println(sc. min(b, c)); int max = Math. But I suspect that is not the answer you want for your question. Finding the max and min values through a linear search of the array requires only one pass through the array, making it O(n). max. You should use the java API: Use a List<Integer> to hold all your input; Use list. I'm trying to find the max and min number in a . lang. It could be easier than those three methods. I wrote a code allowing the users to write the two min and max values. This program is supposed to find the maximum, minimum, and average of grades. print("enter a number: "); num1=input. If its larger than "max" then assign it as new "max" value. Finally, remeber to close the Scanner, to avoid resource leakage. 3,Iris-setosa"?. Using the command line like this: $ java TemperatureStats Temperatures_Feb2021. in); //Setup the Keyboard scanner System. csv output example: You can use an array to put numbers in it and then use Arrays. Stack import java. getting stuck on The line letterScan. If you do that, you should also change the for loop to only iterate over the elements you assigned to the array (indices 0 to count-1), and not the entire array. Then within your while loop check every number against those variables - ie. Follow If you're learning Java, use the solution with the array and loops. Here, We declared three integer variables, first, second and third. nextInt(); int maximum = Integer. The problem wants me to create a program that reads user input of numbers and get the minimum and maximum values of those numbers. Assign the maximum value to maxMiles, and the minimum value to minMiles. MAX_VALUE; largest = Integer. MIN_VALUE; do writing java code to find max&min. max(first, second); I'm coding a test averager in Java. 6. I am not getting the correct answer on some testing data, but I am getting the correct answer on some testing data. And when you compare anything positive to 0 you will get 0 as the min value. You can get the second smallest number by subtract min and max from the sum of three numbers. The Scanner variable scanner is used to read the user input values. To return these four items, I need to return an object that is an instance of an inner class called MinMaxObject that has four defined private variables: max, min, maxPos, minPos of types double, double, int and int. also min and max cannot be one variable, but an array with size of the number of column (every column will have a min and max) IMHO you should read the file line Next, scan the array that has the totals and identify the minimum grade and maximum grade. max take two parameters and compares them. If min and max are Integer, then you already have MAX_VALUE and MIN_VALUE sets. Prompter then prompts the user for a number between the min and max numbers entered. input = 3, then 3 random numbers like 3, 5, 7. I have done this before using for loops, but never with a while loop. Inform the instructor of the minimum grade and maximum grade. double[][] t = new double[nrweek + 1][nrofmeasureperweek + 1]; To print the minimum and maximum number in an array, user has to create an array with integers. 0") is greater than 1 (of "16. Find sum, Input Text File: Min: 1,2,3,5,6 Max: 1,2,3,5,6 Avg: 1,2,3,5,6 Get the MIN/MAX and SUM from the list of numbers in the text file. Also, don't perform integer math for determining the average. Yours is too tough. It isn't used anywhere, and it doesn't make any sense to keep an Iterator around like this, since they can only be used once, and you can get one from the List any time you want. From javadoc: Returns the greater of two int values. println ("Enter number The minimum loop seems to be correct as you have it IF you initialized the min variable outside the for loop. print("(Player 2) Guess a letter: "); Scanner letterScan = new Scanner(System. Scanner; public c I think you've written too much code. Number of Comparisons: The number of comparisons made to find the minimum and maximum elements is equal to the number of comparisons made during the sorting process. package labs; import java. in); String line = ""; //just check for one character. We'll need a Stats class to hold count, min, max, and factory methods to creat stats collector. print("\n Enter Size of Here is my CSV file: marks. Declare three int variables called x, y, z, and max. Basically, the Skip to main content. time supports a wider range than the old-fashioned Date class did. MIN_VALUE; double min = Double. Scanner; public class FindMaxMinInArray {//1. print("Introduzca numero de estudiantes: "); Scanner cantidad = new Scanner(System. int min = Integer. Start min at Integer. Set max with the smallest number around. Im trying to write a method that returns the number of words from the "words" parameter that have at least the min" but no more than the "max c"haracters. min() every time. max and Math. 5. now if any number is less than min and greater than max, min and max takes their position. If you want to find the minimum of two numbers many times in your code, then it’s often tedious to write the complete Math. MAX_VALUE; which will also solve your problem, since you won't generate any values as low as 0. MIN_VALUE;) Share. Not being numeric, we don’t have sum nor average, so it only maintains min, max, and count. length. You passed only one parameter to the method. MIN_VALUE, or; Start both min and max at the first value entered. max(max, number); min = Math. I need to get the min, max, avg of an Array List using Java. in); for (i = 0; i < 3; ++i){ System. your conditional check for min, max was not correct. Please enter 5 numbers Im writing a program to get three numbers from user and put it into an array list and find the sum, avg, min, and max. min(list) and Collections. 10 is less than current maximum of 20, so no change in maximum. Your max seems to work. collector(fooComparator)) int min = array[0]; This statement is executed at a time when array[0] is zero. Then for every number you find, do: max = Math. while((line=letterScan. This method returns a String object that satisfies the pattern specified as method argument. nextInt(); When you do this, it is only going to take the first int (Meaning, only 1 number) As well when you are creating your array int array[] = new int[num], you are creating an array with the SIZE of num, and not actually creating an array with the VALUES of num. 0, which is what the array holds at the time you access it to assign values to min and max. This is because when string is passed in the function it creates a copy of itself in stack. In Java you can find maximum or minimum value in a numeric array by looping through the array. I need to find the maximum and minimum statistics for the student marks from a list. min to compare if you want. asList(num1, num2, num3, import java. out. Please shoot any ideas on how to implement and get the actual trimmed average using a method. Use a loop to iterate over the array, starting from Given an unsorted list of integers, find maximum and minimum values in it. Scanner; public class ArraysKeyValue { public static void main (String [] args) { final int NUM_ROWS = 2; final int NUM_COLS = 2; int Write a program in java to find the maximum and minimum occurring character in a string. Stats<String> stats = stringStream. In this post we are going to find maximum and minimum value in the array. length; Beware of averages being truncated due to ints OK, I have been at it for a long time now. in); int min = Integer. max(list) to find the min/max; Try this: /* java program to find minimum/smallest element in an array */ import java. 44. MAX_VALUE and I think you'll find it Here is quick fix for you. util package. 6,0. 0d; boolean first = true; int numbers = 12; for (int i=0; i < numbers; ++i) and then leverage the Java 8 stream API to find the max, min, and average. Scanner; public class test { public static void main (String[] args){ Film[] f = new Film[3]; Scanner input = new Scanner (System. define minimum variable and a [0] element to it. MIN_VALUE; int minimum = The assignment is to create a program that will read from standard input (a file containing a list of integers) into an array, and then finding the mean, max, min, median, and standard deviation of those integers. nextInt(); writing java code to find max&min. see this article. Share. Afterwards the program should give an output of the average, min and max value of this "x" numbers. there are about 831 magnitudes. The most simplest way to find min and max value of an element is to use inbuilt function sort() in java. 0; while (infile. in); int number = cantidad. and want print total max min average I found total,max &amp; average using this code import java. I've managed to get the highest number working. int minimum=a [0]. Hot Network Questions Time Complexity: O(n), where n is the length of string. int max = Integer. You have to SPLIT (again) the line to cells, then parse this cells to Double. Then it returns the number of values, the min/max, and average value. Try yourselt Java Stream: find an element with a min/max value of an attribute. You could also out all answers into a TreeSet which will naturally order all elements and take the the last two things I need to find are the largest and smallest values. Method 2: By Using Regular Expressions In this approach we uses regular expressions to find words in a given input string and iterates through them. Prompt the user to ente I need to randomize 1000 numbers, and I want to find the average of all the numbers, the smallest and the largest number, but I can't output it. Java Program to find the maximum and minimum number. max(b, c)); int res = a + b + c - min - max; Your question is not that much explanatory. nextLine()). MAX_VALUE, max = Integer. Prompting and writing a while loop to Output: -25. (The only default values that wouldn't cause problems are smallest = Integer. (String[] args) { int rows; int columns; Scanner scanner = new Scanner (System. txt file that can be any number it just needs to read the file and then print out the max and min numbers. io. The average and the sum functionality was great. 0" to "92. (Even though num is only a single number) To actually create an array of /*Java Program to find the second largest and second smallest elements in the array using Functions*/ import java. in); int num1,num2,max,min; System. For finding the max and min, maintain two variable, int min and int max initialise with say value[0] and value[1], start iterating from i=2 to the value. nextInt (); int i Also you can keep track of max/min by adding another 2 import java. I have to use do while, while, if loops. max(Integer::compare); int min = Arrays. java @LearnHadoop well, as said, the logic is supposed to be similar to the numerical statistics objects like, e. and min. Input : list = [10, 400, 3, 2, 1, -1] Output : max = 400, min = -1. I have a method that would attempt to calculate the GPA from the scanner input into the array. The array List looks something like this. Java, For a problem in HackerRank Java Datatypes (to find in which primitive datatype the given number can be fitted in) when I submit the following code : import java. And the average should be calculated as: average = sum / num. I need to write a program that reads in an arbitrary number of data points from standard input. The return array should be of size 2, but I know that the reduce() method always returns an array of size 1. I'm lost as to how I would do that @RyanJ Declare two int variables - one "min" and one "max". Skip to main { Scanner input=new Scanner(System. It then finds and prints the maximum and minimum elements of the array. Same goes if your max value is below 0: int min = Integer. for In Java you can find maximum or minimum value in a numeric array by looping through the array. Arrays; import java. Viewed 179 times In my cs class we're required to find highest and lowest numbers that a user has inputted between -100 and 100, Do-while statements beginner java max-min prompt. otherwise you need to implement comparator or comparable methods. in); double max, min, avg; double total = 0. max(int, int) to find the smallest and largest respectively. In the first loop you have to fill your array (if you really need an array), but your code just assign entered value to testScore variable. Use the Scanner class to create an object to read input from the keyboard. codejava; import java. Comparing via strings will result in the characters being compared and since the character value of 9 (of "9. Initialize your smallest value to Integer. My teacher wrote the base code already: Scanner infile = new Scanner ( new FileReader(args[0]) ); int count=0,sum=0, largest=Integer. Scanner; public class MainClass { public static void For this assignment, I need two java classes to find the max and min temperatures in a CSV file. time, the modern Java date and time API. min and max value in array. first things first, here's the code: Doing a project for AP Computer science, and I still haven't managed to figure out how to do this part: The program is supposed to ask the user for 5 test score inputs and then the code will "curve" the smallest value For days I had been stumped to find maximum and minimum of 3 numbers which is nothing more than a simple logic. Scanner; class programTwo { public static void main (String[] args) { Scanner scan = new Scanner(System. yrsq vfn oofk ems exvd fkgkt vkp jqhies jcnsdqs keeu