How to Use Java Scanner Class

Program:

import java.util.*;
public class InputValues
{
public static void main(String[] args)
{
Scanner in = new Scanner(System.in);

// Your name
System.out.print("What is your name? ");
String name = in.nextLine();

// Your age
System.out.print("How old are you? ");
int age = in.nextInt();
System.out.println("Hello, " + name + ". Your Age is "+ age +". Nice to Meet You");
}
}


Output:
Hello, bsb. Your Age is 23. Nice to Meet You

Simple java ArrayList Program

Program:

package JavaCoders;
import java.util.*;
class ArrayList1
{
public static void main(String[] x)
{
ArrayList<String>ar=new ArrayList<String>();
ArrayList ar1=new ArrayList();
ArrayList ar2=new ArrayList();
ArrayList ar3=new ArrayList();