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(); } }
