ADD file via upload

main
fdzcxy212106559 10 months ago
parent 5ff13258d5
commit 0c3ef6b0e7

@ -0,0 +1,47 @@
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
System.out.println("请输入第一个数字: ");
double num1 = scanner.nextDouble();
System.out.println("请输入操作符 (+, -, *, /, %): ");
char operator = scanner.next().charAt(0);
System.out.println("请输入第二个数字: ");
double num2 = scanner.nextDouble();
double result = 0;
switch (operator) {
case '+':
result = num1 + num2;
break;
case '-':
result = num1 - num2;
break;
case '*':
result = num1 * num2;
break;
case '/':
if (num2 != 0) {
result = num1 / num2;
} else {
System.out.println("错误!除数不能为零。");
return;
}
break;
case '%':
result = num1 % num2;
break;
default:
System.out.println("无效的操作符!");
return;
}
System.out.println("计算结果是: " + result);
}
}
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