Write a program to input 10 numbers and find the largest number in java Taking Input Two-dimensional Array Using Scanner Class The Scanner class from java. here is my code Nov 19, 2022 · Java program to find the largest and smallest of three numbers in three different ways. Apr 18, 2023 · Naive Approach: Consider all m digit numbers and keep a max variable to store the maximum number with m digits and digit sum as s. Write a Java Program to Find the Largest Array Number with an example or program to print or return the largest element or item in a given array. Jun 20, 2024 · Explore various ways of properly identifying and extracting the greatest numeric value from a given string in Java. I am trying to create a program that finds the largest number in array of integers than are inputted by the user using JOptionPane. min () Dec 21, 2014 · I am a beginner in Java, can somebody please explain me how the total is 11. We will use if. Java largest of Two Numbers program : How to write a Java program to find largest of two numbers using Else If Statement, and Conditional Operator. Jun 21, 2025 · To find the largest of two numbers in Java, we take input of two numbers from the user, then compare them using an if-else condition. Math. Write a Java Program to Find the Largest and Smallest Array Number with an example. Includes clear code explanations and examples for beginners. I need to write a program that reads 5 integers and then prints out the largest. In this question, we will see how to input 10 numbers in a one dimensional integer array and interchange the largest number with the smallest number within the array and print the modified array in Java programming. Oct 15, 2015 · As far as I know you can use Java Math max () method to get largest number. Jun 24, 2020 · Here you are going to learn best way of writing Java program to find the largest and smallest number in an array. Every time my output prints out the last number given through the Scanner as the largest number. Learn different approaches, logic, and code implementation for better understanding. If any item is higher, replace it and print the output. Java program to input an integer and check whether it is a prime number or not. i. Minimum element: The function compares each element and returns the smallest one. The program will take the numbers as input from the user. Or how to write a Program to find the highest and least element or item in a given array. Then find the largest element, swap it with the second element, and so on. Jul 23, 2025 · Given an array arr [] of length N, The task is to find the maximum and the minimum number in the array. Enter the elements of array as input. It keeps track of the largest and smallest numbers using the variables max and min, which are initially set to the minimum and maximum possible integer values, respectively. so help me in this program. Example 1: Input: nums = [10,2] Output: "210" Example 2: Input: nums = [3,30,34,5,9] Output: "9534330" Constraints: * 1 <= nums. So the assignment is like this There is one method required: getMax, which takes two integer variables as input, returns >the bigger one of th Learn how to write a Java program to find the largest of two numbers. Write a program in Java to input 10 numbers and print the largest number among them using for loop. Java Array - Find Largest Number - In this tutorial, we will write Java programs to find the largest number in given array using While Loop, For Loop and Advanced For Loop. The sales- person who sells the most units wins the contest. May 16, 2023 · In this article, we will learn a Java program to find the largest element in an array of integers using different approaches. Jul 23, 2025 · The most common method to find and print the largest element of a Java array is to iterate over each element of the array and compare each element with the largest value. Write a program to input an integer and print its factors. nextInt(); // Read the next int from the console. You can use these approaches to find out the largest of any n numbers. Return the result as a string, since it may be too large for standard integer types. Dec 1, 2010 · I am writing a program that uses a while loop to determine the largest number input so far. Sep 1, 2024 · Finding the largest of three numbers is a common programming task that helps you understand conditional statements and comparisons. We have still not been taught arrays, so I want a solution to this question without arrays. And logical too: write a program to find the largest number. Jan 20, 2022 · Write a programme to input 10 numbers from the user and print greatest of all Asked 3 years, 9 months ago Modified 3 years, 9 months ago Viewed 18k times Feb 27, 2020 · Find an answer to your question Write a program to input 10 numbers and print the largest number among all the inputted numbers. Q6) Write a program in Python to input 10 numbers in integer array and interchange the largest number with the smallest number within the array and print the modified array. } Arrays. If they are equal Java program to find Largest of Three Numbers – Java programming Example, this program will read three numbers and prints the largest number among them, java program for largest from 3 numbers. println("Enter a number: "); // Ask the user for a number. length Finding the largest number in an array is a common task in Java. Jan 2, 2025 · In this article, we explained how to find the largest and smallest numbers in an array in Java. nextInt () method. Let's understand the problem better with the help of an example: Input int arr[] = {55, 10, 8, 90, 43, 87, 95, 25, 50, 12}; Output Smallest element = 8 2nd Smallest element = 10 Largest element = 95 2nd Largest element = 90 To solve this Nov 29, 2022 · In this tutorial, you will understand the Java Program to find the Largest Number in an Array along with examples and outputs. out. Understanding Prime Numbers A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself. If an element is greater than the current largest, it updates the largest value. It repeatedly prompts the user to enter a number and asks if they want to continue. Input: arr [] = [54, 546, 548, 60] Output Feb 28, 2016 · Very new to arrays in Java but the problem I was given to solve is this: "In your main method, prompt the user to enter ten numbers and store them in an array. One of the simplest yet essential tasks is finding the largest of two numbers. In this article, we will walk May 9, 2025 · Java exercises and solution: Write a Java program to get the difference between the largest and smallest values in an array of integers. This Java program takes two integers as input and finds the maximum of the two. Nov 6, 2021 · Given three input numbers, Write a java code to print largest or biggest of three numbers using ternary operator. Oct 11, 2021 · Instructions: Write a method, findMax(), that repeatedly reads in integers until a negative integer is read and keeps track of the largest integer that has been read. May 14, 2025 · Java exercises and solution: Write a program in Java to input 5 numbers from the keyboard and find their sum and average. Apr 15, 2024 · In computer science, checking whether a number is prime and finding prime numbers are fundamental tasks. Having trouble controlling the amount of inputs. Introduction to Problem Let’s say we have an array of numbers. Want to learn how to write a Java program to input 10 integers into an array and find the largest number? 🤔 In this step-by-step tutorial, we explain the logic clearly for Explanation: This program initializes an array of integers. Write a method called find that r This guide will show you how to create a Java program that takes three numbers as input and determines the largest among them. 2. Apr 10, 2025 · These functions work by scanning through the entire collection and comparing each element to determine the smallest or largest value. At the end of the loop, it should output the largest number. Use one if condition and compare each number with the others Jul 10, 2025 · JavaScript exercises, practice and solution: Write a JavaScript program that displays the largest integer among two integers. Sample Input: Sample Output: -32, -41, -19, 44, 15, 21, 54, 61, 71, 52 In this article, we will discuss how to find second largest number in an Arrays and List using Java 8 Stream Read Java – Find Read More The public class Largest_Number statement declares a public class called Largest_Number, which is the name of the Java file that this program is saved in. To get the largest number, we must consider the starting index position value as the max value and check the same against the remaining items. Feb 27, 2017 · How do you write a for loop that will input 10 integer values from the user and keep track of smallest value entered? This is what I have so far. Mar 5, 2021 · The below program demonstrates how to find the two largest numbers in an array without using Functions. Once 'done' is entered, print out the largest and smallest of the numbers. Examples: Input: arr [] = {1, 2, 3, 4, 5} Output: Maximum is May 9, 2025 · Java array exercises and solution: Write a Java program to find the largest number from a given list of non-negative integers. Among these integers entered, the largest of said integers will need to be found in addition to the square root. First we will sort an array then pick top and last element. And if the given numbers are {1, 34, 3, 98, 9, 76, 45, 4}, then the arrangement 998764543431 gives the largest value. 8. Here in this program, a Java class name FindLargestSmallestNumber is declared which is having the main () method. Auxiliary Space: O (1) Find the Largest number with the given number of digits and sum of digits Greedy approach Below is the idea to solve the problem: May 9, 2025 · Write a Java program to determine whether numbers in an array can be rearranged so that each number appears exactly once in a consecutive list of numbers. number: The integer most recently input by the user. Go to: Java Basic Programming Exercises Home ↩ Java Exercises Home ↩ PREV : Check Subtraction Difference. They are not all compatible with each other. I have to input 10 numbers in whole. Examples: Input: arr [] = {1, 2, 3, 4, 5} Output: Maximum is Nov 22, 2022 · Java program to find the largest and smallest of n user input numbers. May 14, 2025 · Java exercises and solution: Write a Java program that takes three numbers from the user and prints the greatest number. Step 3: If A is greater than B, print A as the largest number. Mar 17, 2025 · In this section, we will learn how to create a Java program to find the largest of three numbers. On this page, we are going to learn how to write a Java program to find the largest number among three numbers. There is one method required: getMax, which takes two integer variables as input and returns the bigger one of the two. An efficient solution is to use sorting. In the given program 1, three different numeric values are written in the program and to find the largest number, the if-else statements are used. Then it iterates through the array comparing each element with the current largest. Java program to find the maximum among three numbers The following is an example to find the maximum among the three numbers Aug 21, 2022 · Input : arr[] = [1, 2, 3, 4] Output :arr[] = {1, 4, 2, 3} A simple solution is to first find the smallest element and swap it with the first element. This approach ensures finding the maximum value efficiently using a simple linear scan. Input : List = [5, 3, 234, 114, 154] Output : 234 Input : List = {10, 20, 4} Output : 20 Approach 1: Using a ForEach Loop Create List object and store multiple elements in it. util helps to take user input. 1. This Java program shows how to find the largest and the smallest number from within an array. Nov 11, 2023 · In this post, we will see how to find smallest and largest element in an array. The task is to find the largest and the smallest digit of the number. Here is the code I have s far but I am getting errors when compiling. For instance, 2, 3, 5 Oct 15, 2015 · As far as I know you can use Java Math max () method to get largest number. In this program, firstly we declare and initialize the array. The task is to find the largest element in the given array. Find the second largest number among three values. That is, 0 < arr [i] < 9. . Step 1: Accepting User Input First, let's write a simple Java program to accept the input values for A and B: Step 2: Comparing the Numbers Dec 4, 2017 · The package java. Examples: Input: arr [] = [3, 30, 34, 5, 9] Output: 9534330 Explanation: The arrangement [9, 5, 34, 3, 30], gives the largest value 9534330. Input: arr [] = [20, 10, 20, 4, 100] Output: 100 Aug 7, 2025 · Given an array of non-negative integers arr [], arrange them such that their concatenation forms the largest possible number. Modify the program to return -1 if both numbers are odd. Now, the main problem is the second smallest number part. Programming Examples Java program to input 10 integers and display the largest as well as the smallest integer Write a program to input 10 integers and display the largest as well as the smallest integer. The user could enter 99999999999999999999999999999 and that could be the min, but i dont want to have 99999999999999999999999999999 in my code. It assumes the first element as the largest initially. The process involves initializing two variables, one for the largest and one for the smallest number, with the first element of the array. May 14, 2012 · 0 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. There is something wrong in my code but couldn't find it. int[] nums = new int[5]; // Define a new array of size 5, with the type 'int' for(int i = 0; i < nums. Step 2: Compare the values of A and B using an "if" statement. The array must have a length of at least 1. I keep getting infinite inputs until I add a negative number. Sep 15, 2025 · Find the largest number possible from a set of given numbers where the numbers append to each other in any order to form the largest number. In this tutorial, we shall write Java Program to Find Largest of Three Numbers. can anyone help me alter the code below to fit these new standards? { int integer1 = Java Array - Find Largest Number - In this tutorial, we will write Java programs to find the largest number in given array using While Loop, For Loop and Advanced For Loop. Jan 8, 2022 · Input three numbers and display the largest/smallest number Python Program Mar 4, 2024 · A quick and practical guide to finding the largest prime number lower than a, given number in Java. Finding the second largest number in a list of integers is a common problem that tests a programmer's ability to manipulate collections using Streams. Feb 23, 2017 · I think the method given in chqrlie's answer to do this all in one pass is best. else statements, separate variables and separate list to write this program in Java. nums[i] = in. This guide will walk you through writing a Java program that determines the largest of three given numbers. Examples: Input: arr [] = [10, 20, 4] Output: 20 Explanation: Among 10, 20 and 4, 20 is the largest. Jul 23, 2025 · Given an array arr. Java program to input 10 integers and find their sum. Nov 1, 2017 · Closed 8 years ago. 3. Sep 10, 2021 · Find the largest of five numbers in JavaScript : In this tutorial, I will show you four different ways to find out the largest of five numbers using JavaScript. Second largest number, well that's just the one which was previously the largest! My program have to work for integer and floating-point numbers and the program should work regardless of whether the user insert targets integers or not and The Biggest of Five Numbers are the only requirements you have so far given. In this example, you will learn to find the largest among three numbers in JavaScript. println("The largest number is: "+findLargest(values, x)) This tells it to assume the largest number is x and try to find anything in the list that is greater than that. In the other program 2, there is one change three numeric values are taking from the keyword (user input) remaining operations are same I'm a noob to Java & I got stuck on a problem. Maybe the Math class would be better to use. Assume that there is only one largest and smallest number. You can find largest of three numbers using if-else statement, if-else-if ladder or ternary operator. Btw Jul 23, 2025 · Given a List, find the largest element in it. I'm so confused right now. If it is, the value of the variable res is set to 1. We can use the Scanner class with loops to take input for individual array elements (to use this technique, we must know the length of the array). If the first number is greater than the second, we print the first number; otherwise, we print the second number. Question: 5. We shall go through each of these with example programs. Jul 23, 2025 · Given an array of numbers, arrange them in a way that yields the largest value. Find the largest prime factor of a number. Let’s move to the examples : Example 1: Using if: This is the simplest way to solve this problem. There are multiple approaches to tackle this problem, such as iterating through the List or using various inbuilt functions. This approach is essential in scenarios where comparisons need to be made between multiple values. Can you solve this real interview question? Largest Number - Given a list of non-negative integers nums, arrange them such that they form the largest number and return it. Time complexity: O (10 m). Write a program in Java to store 10 numbers (including positive and negative numbers) in a Single Dimensional Array (SDA). Oct 30, 2024 · The program defines a class FindBiggest containing a static method findBiggest that takes three numbers as input and returns the largest among them using conditional statements. : dataType max (int number1, int number2), Math. The public static void main (String [] args) method is the entry point for the program. I want to do this code and find out the biggest number from this 4 numbers. By comparing elements of array with each other we get the largest number of the array. In this problem we are given an array of numbers, and we have to find the largest, smallest, second largest, and second smallest elements in an array in Java. so I need to find out some way to run this particular program for finding the highest number from these numbers by only using "nested if". So the assignment is like this There is one method required: getMax, which takes two integer variables as input, returns >the bigger one of th Jul 23, 2025 · Given a positive integer \'n\' ( 1 <= n <= 10 15). After completing the loop, it prints the largest number found in the array. Suppose, Given three input numbers a, b and c. Jul 26, 2024 · Finding the largest of three numbers is a common exercise in learning programming languages, and it is an excellent way to understand the basic concepts of conditional statements and comparison operators. For example, an app that determines the winner of a sales contest would input the number of units sold by each salesperson. Examples: Input: arr [] = {4, 7, 9, 2, 3} Output: Largest number: 97432 Input: arr [] = {8, 6, 0, 4, 6, 4, 2, 7} Output: Largest number: 87664420 Write an application that inputs three integers from the user and displays the sum, average, product, smallest and largest of the numbers Asked 11 years, 2 months ago Feb 12, 2022 · 0 I have received a question in my school programming assignment, which goes like this: Enter n count of numbers and find the largest and smallest among the lot. Below is the program to find the largest number, I want to know how do I print the second largest number. Note: The digits in the array are between 0 and 9. The program output is also shown below. Since the result may be very large, so you need to return a string instead of an integer. lang has the class Math, which includes two methods that allow us to find the smallest value and the largest value of two values: 1. It takes an array of strings as an argument, but in this program, that argument is not used. We will learn how to write this program in Java by using an ArrayList and without using an ArrayList. Oct 7, 2016 · The function of this program is repeatedly prompting a user for integer numbers until the user enters 'done'. 9. Q8) Write a program in C to input 10 numbers and print the largest number among them using for loop. int value; Scanner scan Jul 11, 2025 · Given an array of integers arr [] represents digits of a number. Question - The user is ready to enter in these numbers one by one until the program stops: 4 7 5 8 9 3 4 1 5 3 5 What Oct 16, 2021 · Read an array of 10 or more numbers and write a program to find the Smallest element in the array Largest element in the array Second largest element in the array Java program to find the largest number that can be formed from an array of numbers. Also find the second largest number. Jan 9, 2022 · Hey I recently started to learn python. If the first number is not greater than the second number, the program checks whether the two numbers are equal. Sort the elements of the array. 21 (Find the Largest Number) The process of finding the maximum value (i. Write a program to compare three numbers instead of two. Step 4: End the program. Write pseudocode, Sep 4, 2015 · Here's my code to find the max number in an array of numbers, but i can't seem to understand how to get the top 5 numbers and store them in an array and later retrieve them Here's the code: public The source code for Java program to declare and enter numbers in array, and display them using for loop /* * Write a Java program to declare one dimentionalarray of 10 integers. Here is a step-by-step explanation of Nov 22, 2022 · Java program to find the largest and smallest of n user input numbers. Sep 25, 2023 · 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. findMax() then returns the largest number entered. 10. The program uses a ternary operator to check whether the first number is greater than the second number. In this article, we show How to write a Java program for the largest of three numbers using Else If, Nested If, and Conditional Operator. Sep 19, 2025 · Find the largest of three numbers in Java with example programs. Apr 16, 2015 · 2 I'm trying to make a "for" loop in which it asks the user to input 10 numbers and then only print the positives. Sep 16, 2025 · Learn how to find the largest number in a list using two methods: a for loop and the Arrays class. I am a beginner with Java (only about a month into Java). Input: 6 Output: 3 Explanation Prime factor of 6 are- 2, 3 Largest of them is \'3\' Input: 15 Output: 5 Learn how to write a Java program to find the largest of two numbers. Jun 15, 2022 · The original question did not ask how to find the second largest element in an array, it asked what was wrong with the code (in the question) since it was not producing the expected result. 7. May 29, 2019 · Write a program in Java to input 10 numbers in an array and print the maximum and minimum numbers present in t… Get the answers you need, now! In this question, we will see how to input 10 numbers and print the smallest among them in Java programming using while loop. Program to Find the Largest of Two Numbers in C, C++, Java, JavaScript, Python In the world of programming, solving problems is a fundamental skill that every coder must possess. but have some problems with this "nesting if program". This JavaScript program demonstrates how to find the largest number among three given numbers using comparison operators. May 12, 2025 · Modify the program to find the smallest value instead of the largest. To know more about one dimensional array click on the one dimensional array lesson. x=int (input ("Enter the 1st This is a Java Program to Find the Largest Number in an Array. e. 6. max (number1, number2) gets the maximum between number 1 and 2. sort(nums); // Sort the numbers in ascending Aug 30, 2020 · using java write a program to input any 10 integers and print the largest and second largest number in the given set of integers assume no duplicate no in - 21836580 This Java program efficiently finds the largest number in an array by iterating through the array and updating a variable that holds the largest value found so far. Jul 11, 2025 · The task is to write a program to find the largest number using ternary operator among: Two Numbers Three Numbers Four Numbers Examples: Input : 10, 20 Output : Largest number between two numbers (10, 20) is: 20 Input : 25 75 55 15 Output : Largest number among four numbers (25, 75, 55, 15) is: 75 A Ternary Operator has the following form, exp1 ? exp2 : exp3 The expression exp1 will be Java program to find largest of 4 numbers - In this chapter of java programs, we will learn about java program to find largest of 4 numbers using if else ladder and also explain same with video tutorial. Jul 12, 2025 · Given a number N. This program needs to be modified in a way, that it scans through the numbers I input and prints out the largest number. counter: A counter to count to 10 (i. , the largest of a group of values) is used frequently in computer applications. length; i++) { // Loop 5 times System. In this question, we will see how to input 10 numbers in a one dimensional integer array and find the position of the largest and the smallest number in Java programming. In this article, we are going to learn how to find the largest of three numbers using JavaScript. To know more about while loop click on the while loop lesson. Oct 1, 2012 · Scanner in = new Scanner(System. Write an application that inputs three integers from the user and displays the sum, average, product, smallest and largest of the numbers Asked 11 years, 2 months ago Feb 12, 2022 · 0 I have received a question in my school programming assignment, which goes like this: Enter n count of numbers and find the largest and smallest among the lot. This article explores two effective methods in Java to determine the largest prime number less than or equal to a given input number. For example, if the given numbers are {54, 546, 548, 60}, the arrangement 6054854654 gives the largest value. Along with this, we will also learn to find the largest of three numbers in Java using the ternary operator. Write a program to input an integer and count the number of factors. then the program will ask the user to enter that many integers and then the program will find the largest of those integers. Return true otherwise false. Whether you’re a Java enthusiast, a C++ aficionado, or a Python wizard, mastering this skill is crucial. Otherwise, print B as the largest number. In this Assignment I have to write a Java program using command line arguments. Java program to input 10 integers and find the sum of even numbers only. Of course, this produces the exact problem you described. Otherwise, it is set to 0. The Java program is successfully compiled and run on a Windows system. Display all the negative numbers followed by the positive numbers without changing the order of the numbers. Examples : Input : N = 2346 Output : 6 2 6 is the largest digit and 2 is smallest Input : N = 5 Output : 5 5 Approach: An efficient approach is to find all digits in the given number and find the largest and the smallest digit. At the same time, we also keep comparing the largest and smallest numbers with the value entered by the user, so that at the end of the loop we have the largest and smallest number from the set of values entered by users. If neither of the above conditions is true, the third number (num3) will be the largest. The time complexity of this solution is O (n 2). Create a variable and initialize it with Integer This Java program reads input from the user and finds the largest and smallest numbers among them. Sep 12, 2012 · what i want to do is alter my code so that i can as the user how many numbers the user wants in the list. I have done it, however I was told there is a more efficient way of doing it,how can i achieve that? Any advice will be appreciated! Oct 14, 2015 · I am trying to make practice application by getting 10 numbers from users and adding them to an array. Here is the source code of the Java Program to Find the Largest Number in an Array. else-if. The task is to write a program to generate the largest number possible using these digits. , to keep track of how many numbers have been input and to determine when all 10 numbers have been processed). Step-by-step guide with code examples for beginners and Java enthusiasts. Thanks in advance. This guide will cover different ways to find the largest number, including using loops, the Arrays class, and the Stream API (Java 8 and later). Apr 25, 2015 · System. Sep 22, 2020 · Find an answer to your question write a program in Java to input 10 numbers and display greatest and smallest among them Java largest of Two Numbers program : How to write a Java program to find largest of two numbers using Else If Statement, and Conditional Operator. May 14, 2025 · Java exercises and solution: Write a Java program that accepts two integers from the user and prints the sum, the difference, the product, the average, the distance (the difference between the integers), the maximum (the largest of the two integers), and the minimum (the smallest of the two integers). So you need to go back, and check your instructions. in); // Define System input using a Scanner. Jul 23, 2025 · 2. In this article, we will explore how to write a Java program to find the largest of three numbers, with detailed explanations of each part of the code. Your program should use at least the following three variables: 1. Mar 22, 2022 · So I have to input a list of numbers stored in an array, specify how many int values that are to be stored in the array, and print out the original array plus the list of integers with the maximum Feb 15, 2015 · I need to write a program in Java that prompts the user to enter three integer. Jul 23, 2025 · To find the largest of three numbers using JavaScript, we have multiple approaches. lds hno jreh etfl jxttq wli qsqvikq nexhf oznzjju wvac hdltp wwjsz cfxu xfh axjmtf