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Tip of the Day
Language: Java
Expertise: Intermediate
Aug 18, 2017

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How to Use Scanner to Receive Command Line Input

Scanner is a simple and easy-to-use utility provided by Java.

import java.util.Scanner;

public class ScannerDemo
{
   public static void main(String args[])
   {   
      Scanner scanner = new Scanner(System.in); //Initializing the Scanner with the Standard input
      
      System.out.println("Please enter a number: ");
      int intValue = scanner.nextInt(); // Likely to throw java.util.InputMismatchException when incorrect inputs are provided. 
                                // There are similar methods to support other data types
      
      System.out.println("The number entered is " + intValue);
   } 
}
M S Sridhar
 
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