import java.util.*;
public class calculator{
public static void main(String[]args){
Scanner input=new Scanner(System.in);
System.out.println("-------迷你运算器-------");
System.out.println("请输入第一个数:");
int num=input.nextInt();
System.out.println("请输入第二个数:");
int num2=input.nextInt();
System.out.println("请输入你要运算的方式(+,-,*,/):");
String arithmetic=input.next();
switch(arithmetic){
case "+":
System.out.println(num+"+"+num2+"="+(num+num2));
break;
case "-":
System.out.println(num+"-"+num2+"="+(num-num2));
break;
case "/":
System.out.println(num+"÷"+num2+"="+(num/num2));
break;
case "*":
System.out.println(num+"*"+num2+"="+(num*num2));
break;
default:
System.out.println("请输入正确的运算符(+,-,*,/):");
}
}
}
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