IT311 OOP Calculator Class (Modified)

Calculator.java

package calculator;

public class Calculator{

int num1;

int num2;

int num3;

String name;

public Calculator(){

num1=0;

num2=0;

}

public Calculator(int a,int b){

num1=a;

num2=b;

}

public Calculator(String n,int a, int b, int c){

name=n;

num1=a;

num2=b;

num3=c;

}

public void add(int a, int b){

System.out.println(a+b);

}

public void add(int a, int b, int c){

System.out.println(a+b+c);

}

public void sub(int a, int b){

System.out.println(a-b);

}

public void sub(String n,int a, int b){

System.out.println(n);

System.out.println(a-b);

}

}

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TestCalculator.java

package calculator;

import java.util.*;

public class TestCalculator2 {

public static void main(String[] args) {

Scanner s=new Scanner(System.in);

Calculator c=new Calculator();

Calculator c2=new Calculator(25,20);

Calculator c3=new Calculator("Addition",10,20,30);

c.add(10,11);

c.add(10,11,12);

c.sub(10,11);

c.sub("Subtraction", 22,13);

}

}