how to make a calculator using switch case in java
/* Create Switch cases */ Scanner sc= new Scanner(System.in); int firstNum= sc.nextInt(); int secondNum= sc.nextInt(); System.out.println("Enter an operator (+, -, *, /):"); char operator= sc.next().chartAt(0); double result=0; switch(operator){ case "+": result+= firstNum+ secondNum; break; case "-": result+= firstNum-secondNum; break; case "*": result+= firstNum*secondNum; break; case "/": result+= firstNum/secondNum; break; }