Sep 27, 2014 · public static void main(String[] args){ Scanner scanner = new Scanner(System.in); System.out.print("Enter n: "); int sz = scanner.nextInt(); System.out.println("Enter locations of stones: "); int[] array = new int[sz]; for (int i=0;i<array.length;i++){ array[i] = scanner.nextInt(); } jump(array,sz); }

May 2, 2010 · Here I am providing 2 examples to read integer value from the standard input. Example 1. import java.util.Scanner; public class Maxof2 { public static void main(String args[]) { //taking value as command line argument.

The Scanner class is used to get user input, and it is found in the java.util package. To use the Scanner class, create an object of the class and use any of the available methods found in the Scanner class documentation.

Nov 12, 2014 · What you need to do is to parse the string (which is yielded by the .nextLine() method) into an integer using the Integer.parseInt(String s) method. If the given string is not an integer, this method will throw a NumberFormatException, which you can catch and use to know when the user entered an invalid number so that you can ask him/her again.

Apr 9, 2025 · The given task is to take an integer as input from the user and print that integer in Java. To read and print an integer value in Java, we can use the Scanner class to take input from the user. This class is present in the java.util package. Example input/output:

Oct 25, 2011 · Different functions defined in Scanner class int nextInt(): Returns the next token as an int value. If the next token is not an integer value, InputMismatchException object is thrown.

Oct 25, 2022 · In this program we will see how to read an integer number entered by user. Scanner class is in java.util package. It is used for capturing the input of the primitive types like int, double etc. and strings. We have imported the package java.util.Scanner to use the Scanner.

In this tutorial, we explored how to effectively use the Java Scanner class to read integers from user input. We covered creating a Scanner instance, reading integer values, handling errors, and best practices when using the Scanner class.

Nov 5, 2017 · I investigated by making a simple program that should take in an integer and output that number, and the results were the same. Any suggestions? import java.util.*; public class scanner { public void scanner() { Scanner a = new Scanner(System.in); System.out.println("Enter number: "); int number = a.nextInt(); a.close(); System.out.print(number

Sep 10, 2022 · In this tutorial we are gonna see how to accept input from user. We are using Scanner class to get the input. In the below example we are getting input String, integer and a float number. For this we are using following methods: 1) public String nextLine(): For getting input String 2) public int nextInt():