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                ??碼云GVP開源項目 12k star Uniapp+ElementUI 功能強大 支持多語言、二開方便! 廣告
                ~~~ package gui.a1; import java.awt.*; import javax.swing.*; public class Test { public static void main(String[] args) { JFrame aa=new JFrame(); aa.setTitle("用戶界面");//標題 JButton an1=new JButton("一個按鈕");//創建按鈕 aa.setSize(350, 180);//設置長寬,單位像素 aa.setVisible(true);//顯示窗口 aa.add(an1);//加入創建·的按鈕 aa.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);//關閉窗口和進程 aa.setLocation(100, 260);//設置位置 } } ~~~ 代碼規范化 ~~~ package gui.a1; import java.awt.*; import javax.swing.*; public class Test1 extends JFrame {//繼承后可以直接使用JFrame類中的方法 public static void main(String[] args) { Test1 aa=new Test1();//主函數只需要調用就可以了 } //把初始化的全部工作放到構造函數中 public Test1() { this.setTitle("用戶界面");//標題 JButton an1=new JButton("一個按鈕");//創建按鈕 this.setSize(350, 180);//設置長寬,單位像素 this.setVisible(true);//顯示窗口 this.add(an1);//加入創建·的按鈕 this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);//關閉窗口和進程 this.setLocation(100, 260);//設置位置 } } ~~~![](https://box.kancloud.cn/5701c2634a78e7b87d6ce1a4837b6ba7_430x288.png)
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