Java 실습(사칙연산계산기) - 2일차

초보용

 

import java.util.Scanner;

/*
 * 사칙연산계산기(+,-,*,/)
 * 
 * 입력 3 + 4
 * 연산
 * 결과 3 + 4 = 7
*/
public class SwitchExam {
	public static void main(String[] args) {
		int num1, num2;
		String op;
		Scanner sc = new Scanner(System.in);
		
		System.out.print("Operation input : ");
		num1 = sc.nextInt();
		op = sc.next();
		num2 = sc.nextInt();
		
		switch(op) {
		case "+" : System.out.printf("%d + %d = %d",num1,num2,num1+num2); break;
		case "-" : System.out.printf("%d - %d = %d",num1,num2,num1-num2); break;
		case "*" : System.out.printf("%d * %d = %d",num1,num2,num1*num2); break;
		case "/" : System.out.printf("%d / %d = %d",num1,num2,num1/num2); break;
		
		}
    }
}