package citytech.calculator; public class Calculator { public static void main(String[]args) { System.out.println("Basic Calculator"); //declaring variable: //dataType variableName = value ; double num1 = 10.0; double num2 = 30.0; sum(num1, num2); multiply(num1, num2); } public static void sum(double n1, double n2) { double result = n1 + n2; System.out.println("Sum: "+result); } public static void multiply(double n1, double n2) { double result = n1 * n2; System.out.println("Multiply: "+result); } }

Question: Please Check the Calculator app and add subtract and division methods