你好，這里是關(guān)于簡(jiǎn)易計(jì)算器的JAVA代碼

import java.util.Scanner;

/**

?* @author chatGPT

?*/

public class SimpleCalculator {

??public static void main(String[] args) {

????Scanner scanner = new Scanner(System.in);

????System.out.print("請(qǐng)輸入第一個(gè)數(shù)：");

????double num1 = scanner.nextDouble();

????System.out.print("請(qǐng)輸入第二個(gè)數(shù)：");

????double num2 = scanner.nextDouble();

????System.out.print("請(qǐng)選擇要進(jìn)行的操作：\n1.加\n2.減\n3.乘\n4.除\n");

????int choice = scanner.nextInt();

????switch (choice) {

??????case 1:

????????System.out.println(num1 + " + " + num2 + " = " + (num1 + num2));

????????break;

??????case 2:

????????System.out.println(num1 + " - " + num2 + " = " + (num1 - num2));

????????break;

??????case 3:

????????System.out.println(num1 + " * " + num2 + " = " + (num1 * num2));

????????break;

??????case 4:

????????if (num2 == 0) {

??????????System.out.println("除數(shù)不能為0！");

????????} else {

??????????System.out.println(num1 + " / " + num2 + " = " + (num1 / num2));

????????}

????????break;

??????default:

????????System.out.println("無(wú)效的操作！");

????}

????scanner.close();

??}

}