Delete '_02/src/Calculator.java'

_02/src/Calculator.java

@@ -1,69 +0,0 @@
-import java.util.Scanner;
-
-public class Calculator {
-    // 加法
-    public static double add(double num1, double num2) {
-        return num1 + num2;
-    }
-
-
-    // 减法
-    public static double subtract(double num1, double num2) {
-        return num1 - num2;
-    }
-
-    // 乘法
-    public static double multiply(double num1, double num2) {
-        return num1 * num2;
-    }
-
-    // 除法
-    public static double divide(double num1, double num2) {
-        if (num2 == 0) {
-            throw new IllegalArgumentException("除数不能为零");
-        }
-        return num1 / num2;
-    }
-
-    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("请输入第二个数字:");
-        double num2 = scanner.nextDouble();
-
-        System.out.println("请选择操作 (+, -, *, /):");
-        String operator = scanner.next();
-
-        double result;
-        switch (operator) {
-            case "+":
-                result = add(num1, num2);
-                break;
-            case "-":
-                result = subtract(num1, num2);
-                break;
-            case "*":
-                result = multiply(num1, num2);
-                break;
-            case "/":
-                try {
-                    result = divide(num1, num2);
-                } catch (IllegalArgumentException e) {
-                    System.out.println(e.getMessage());
-                    return;
-                }
-                break;
-            default:
-                System.out.println("无效的操作符");
-                return;
-        }
-
-        System.out.println("结果: " + num1 + " " + operator + " " + num2 + " = " + result);
-        scanner.close();
-    }
-}
-
-//hhhh