calculator.java

importjava.util.Scanner;

/**
 * @author jacobjohn
 *
 */

classcalculate {

publicfloatadd(floatn1, floatn2) {
returnn1 + n2;
 }

publicfloatsub(floatn1, floatn2) {
returnn1 - n2;
 }

publicfloatmul(floatn1, floatn2) {
returnn1 * n2;
 }

publicfloatdiv(floatn1, floatn2) {
returnn1 / n2;
 }

publicfloatmod(floatn1, floatn2) {
returnn1 % n2;
 }
}

publicclasscalculator {

publicstaticvoidmain(String[] args) {
System.out.println("The Simple Calculator Application");
System.out.println("1. +" + "\n" + "2. -" + "\n" + "3. *" + "\n" + "4. /" + "\n" + "5. %");
System.out.print("Enter your choice: ");

Scannerin = newScanner(System.in);
intcal = in.nextInt();

System.out.print("Enter operand 1: ");
floatoper1 = in.nextInt();
System.out.print("Enter operand 2: ");
floatoper2 = in.nextInt();

calculatecalc = newcalculate();

switch (cal) {
case1:
System.out.println("Answer: " + calc.add(oper1, oper2));
break;
case2:
System.out.println("Answer: " + calc.sub(oper1, oper2));
break;
case3:
System.out.println("Answer: " + calc.mul(oper1, oper2));
break;
case4:
System.out.println("Answer: " + calc.div(oper1, oper2));
break;
case5:
System.out.println("Answer: " + calc.mod(oper1, oper2));
break;

 }
in.close();
 }

}