Menu driven using Java in NetBeans

import java.util.Scanner;
public class p23_menuprogram {
    public static void main(String[] args) {
        int choice,a,b;
        Scanner object=new Scanner(System.in);
        System.out.println("----Arithmetic Operation Menu----\n1. Addition\n2. Subtraction\n3. Multiplication\n4. Division\n5. Exit");
        System.out.println("Enter choice");
        choice=object.nextInt();
        System.out.println("Enter first number");
        a=object.nextInt();
        System.out.println("Enter second number");
        b=object.nextInt();
        switch(choice)
        {
            case 1:
                System.out.println("Addition is "+ (a+b));
            break;
            case 2:
                System.out.println("Subtraction is "+ (a-b));
            break;
            case 3:
                System.out.println("Multiplication is "+ (a*b));
            break;
            case 4:
                System.out.println("Division is "+ (a/b));
            break;
        }
    }
}