Java.io.Console.readLine() Method

Description

The java.io.Console.reader() method reads a single line of text from the console.

Declaration

Following is the declaration for java.io.Console.readLine() method:

public String readLine()

Parameters

• NA

Return Value

This method returns the string containing the line read from the console, not including any line termination character, or null if an end of the stream has been reached.

Exception

• IOError -- if an I/O error occurs.

Example

The following example shows the usage of java.io.Console.readLine() method.

package com.tutorialspoint;

import java.io.Console;

public class ConsoleDemo {
   public static void main(String[] args) {
      
      Console cnsl = null;
      String name = null;
      
      try{
         // creates a console object
         cnsl = System.console();

         // if console is not null
         if (cnsl != null) {
            
            // read line from the user input
            name = cnsl.readLine("Name: ");
            
            // prints
            System.out.println("Name entered : " + name);
         }      
      }catch(Exception ex){
         
         // if any error occurs
         ex.printStackTrace();      
      }
   }
}

Let us compile and run the above program, this will produce the following result:

Name: Master Programmer
Name entered : Master Programmer