how to read input from the console in java code example

Example 1: java text ouput to console

System.out.println("Hello world!"); 
//This will be printed out to the console and requires no imports.

Example 2: java taking console input

String str = System.console().readLine();

Example 3: how to read input in java

//For continues reading a line
import java.util.Scanner; 

Scanner in = new Scanner(System.in); 
while(in.hasNextLine()) {
   String line = in.nextLine();
   System.out.println("Next line is is: " + line); 
}