为Java里package com.company; import java.applet.Applet; import java.applet.AudioClip; import java.io.File; import java.net.MalformedURLException; import java.net.URL; public class Main { public static void main(String[] args) throws MalformedURLException { final int width = 700; final int height = 800; BuildUI calculator = new BuildUI(); calculator.buildLayout(); calculator.setSize(width, height); calculator.setVisible(true); } }添加注释

/**
* Main类为程序的入口，负责启动应用以及创建GUI界面
* 包名为com.company
* 导入了java.applet.Applet, java.applet.AudioClip, java.io.File, java.net.MalformedURLException, java.net.URL等类
*/
package com.company;

import java.applet.Applet;
import java.applet.AudioClip;
import java.io.File;
import java.net.MalformedURLException;
import java.net.URL;

public class Main {

/**
* main方法为程序的入口，负责启动应用以及创建GUI界面
* @param args main方法的参数
* @throws MalformedURLException 抛出MalformedURLException异常
*/
public static void main(String[] args) throws MalformedURLException {
final int width = 700;
final int height = 800;

// 创建BuildUI对象
BuildUI calculator = new BuildUI();

// 构建GUI界面
calculator.buildLayout();

// 设置GUI界面的大小
calculator.setSize(width, height);

// 使GUI界面可见
calculator.setVisible(true);
}
}