Question

Write a program to do basic arithmetical operations using class and object concept.

Answer 1

i just need to know what they mean by class and object concept

Answer 2

Here is my program, does it qualify?

int a, b;
a=20;
b=40;
System.out.println(a+b);
System.out.println(a-b);
System.out.println(a*b);
System.out.println(a/b);