yeah i tried to make a really simple calculator myself in java. but it cannot make print the math out i type. it has no error i tried to search the mistake but cant find a solution.
import java.util.Scanner;
public class Øvelse {
public static void main(String[] args) {
Scanner in = new Scanner(System.in);
String calculator;
System.out.print("skriv nummer: ");
int num1 = in.nextInt();
System.out.print("skriv nummer: ");
int num2 = in.nextInt();
Scanner op = new Scanner(System.in);
System.out.print("skriv + - * /: ");
calculator = op.nextLine();
if(calculator == "+") {
System.out.println("resultat1 " + num1 + num2);
}
if(calculator == "-") {
System.out.println("resultat3 ");
}
if(calculator == "/") {
System.out.println("resultat3 " + num1 / num2);
}
if(calculator == "*") {
System.out.println("resultat4 " + num1 * num2);
}
}
}