Java Read through DataInputStream:

import java.io.*;
class  ReadFromDataInputStream{
    public static void main(String[] args) throws Exception{
            DataInputStream in = new DataInputStream(System.in);
            System.out.println("Enter Name: ");
            String name=in.readLine();
            System.out.println("Name is: "+name);
            }   
}

Java read input through Scanner:

import java.util.*;
class  ScannerExample
{
    public static void main(String[] args) 
    {
        Scanner input=new Scanner(System.in);
        System.out.print("Enter integer: ");
        int i=input.nextInt();
        System.out.print("Enter double: ");
        double d=input.nextDouble();
        System.out.print("Enter float: ");
        float f=input.nextFloat();
        System.out.print("Enter string: ");
        String s=input.next();
        System.out.println(i);
        System.out.println(d);
        System.out.println(f);
        System.out.println(s);

    }
}

Java read input through BufferedReader

import java.io.*;
public class ReadFromBufferedReader {
    public static void main(String[] args)throws Exception {
            BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
            System.out.println("Enter Name: ");
            String input = reader.readLine();
            System.out.println("Name is: "+name);
            }
}