Question

Develop a simple calculator in java with full of operations.

Note: the program should take the input value from users and perform the activities like: 

Answer 1

public class SimpleCalculator {
  public double plus(double a, double b) {
    return a + b;
  }
  public double minus(double a, double b) {
    return a - b;
  }
  public double multiply(double a, double b) {
    return a * b;
  }
  public double divide(double a, double b) {
    return a / b;
  }
}