计算器循环版

import java.util.Scanner;

public class Calculator1 {

public static void main(String[] args) {

// TODO Auto-generated method stub

System.out.println("请输入算式：");

Scanner sc=new Scanner(System.in);

int num1=sc.nextInt();

String fu=sc.next();

int num2=sc.nextInt();

double result=0;

do {

if(fu.equals("+")){

result=num1+num2;

}else if(fu.equals("-")){

result=num1-num2;

}else if(fu.equals("*")){

result=num1*num2;

}else if(fu.equals("/")){

result=num1/num2;

}

System.out.println("result="+result);

System.out.println("请输入算式：");

num1=sc.nextInt();

fu=sc.next();

num2=sc.nextInt();

result=0;

} while (true);

}

}