Java – How to accept input from Keyboard ?

Published on March 13, 2016 by abundantcode

Filed under Java

Last modified March 13, 2016

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Problem Statement

You need to accpet user input from the keyboard from your java program and display it in the command line.

Solution

Use the BufferedReader and InputStreamReader defined in the java.io package to read the input data from keyboard and store it in a variable.

import java.io.BufferedReader;
import java.io.InputStreamReader;

public class Abundantcode {

    public static void main(String[] args) {

        BufferedReader input = new BufferedReader(new InputStreamReader(System.in));
        System.out.println("Enter data");
        try {
            String data = input.readLine();
            System.out.println(data);
        }
        catch(Exception ex)
        {
            System.out.println(ex.getMessage());
        }

        Boolean b1 = Boolean.valueOf("false");
        System.out.println(b1);

    }
}

The output of the above program is

Enter data

This is a test message from abundantcode.com

This is a test message from abundantcode.com

false

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