Create a Basic Simple Calculator

ASSIGNMENT 10 - CREATING A BASIC SIMPLE CALCULATOR:

import java.util.Scanner;

class Hotel {
public static void main(String[ ] args){
Scanner Ibrar = new Scanner( System.in );
double a, b, z;
System.out.println( "Enter a number: " );
a = Ibrar.nextDouble();
System.out.println( "Enter another number to proceed Calculation: " );
b = Ibrar.nextDouble( );
z = a + b;
System.out.println( "Your Sum is =>  " +z );
System.out.println( );
System.out.println( );
System.out.println( "-----------------------------" );
System.out.println( "Calculator by: Ibrar Ramzan Malik" );
}
}