java calculator
package main;
import java.util.Scanner;
public class calculator {
public static void greetings(){
System.out.println("Hi welcome to the calculator made by Pepa pig made in java! :D");
}
public static void instruction(){
System.out.println("Hi welcome to the calculator made by Pepa pig made in java! :D");
}
public static void calculator(){
Scanner keyboardInput = new Scanner(System.in);
String calculator;
do {
System.out.print("Enter your first digit: ");
double num1 = keyboardInput.nextDouble();
System.out.print("Enter your operator: ");
String op = keyboardInput.next();
System.out.print("Enter your second digit: ");
double num2 = keyboardInput.nextDouble();
System.out.print("= ");
if (op.equals("+")){
System.out.print(num1 + num2);
System.out.println("\nYou were adding");
System.out.println("How I know that cause I have big brain and a smart programmer ;)");
}else if (op.equals("-")){
System.out.print(num1 - num2);
System.out.println("\nYou were subtracting");
System.out.println("How I know that cause I have big brain and a smart programmer ;)");
}else if (op.equals("*")){
System.out.print(num1 * num2);
System.out.println("\nYou were multiplying");
System.out.println("How I know that cause I have big brain and a smart programmer ;)");
}else if (op.equals("/")){
System.out.print(num1 / num2);
System.out.println("\nYou were dividing");
System.out.println("How I know that cause I have big brain and a smart programmer ;)");
}else if (op.equals("%")){
System.out.print(num1 % num2);
System.out.println("\nYou were remanding");
System.out.println("How I know that cause I have big brain and a smart programmer ;)");
}else{
System.out.println("Invalid operator");
}
System.out.print("Would you like to restart the calculator? (y or n): ");
calculator = keyboardInput.next();
}
while (calculator.equals("y"));
if (calculator.equals("n")){
System.out.println("Leave then kiddo ;-;");
}
}
public static void main(String[] args) {
greetings();
instruction();
calculator();
}
}