• import package-name.*
• here java.io.* will read line feed form the keyboard with a class BufferedReader. as show below.

import java.io.*;
// javac simple_input.java
public class simple_input
{
public static void main(String args[])throws IOException
{
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
System.out.print("Type something :");
String str = "";
str = br.readLine();
System.out.println(str);
}
}