메소드_정수형 변수 2개로 문자형

package 메소드;

import java.util.Arrays;
import java.util.Scanner;

public class Ex_연습장 {

	public static void main(String() args) {

		Scanner sc = new Scanner(System.in);
		
		System.out.print("num1 : ");
		int num1 = sc.nextInt();
		
		System.out.print("num2 : ");
		int num2 = sc.nextInt();
		
		System.out.print("op(+, -, *, /) : ");
		String op = sc.next();
		
		System.out.println(cal(num1, num2, op));

	}
	
	public static int cal(int a, int b, String c) {
		if(c.equals("+")) {
			return a+b;
		} else if(c.equals("-")) {
			return a-b;
		} else if(c.equals("*")) {
			return a*b;
		} else if(c.equals("/")) {
			return a/b;
		} else {
			return 0;
		}
	}
	
	
}