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import java.awt.Button;
import java.awt.Frame;
 
public class TestAWT {
    public static void main(String[] argv) {
        Frame f = new Frame();
        Button b = new Button("Press Me");
        f.setSize(300,300);
        f.add(b);
        f.show();
    }
}
 

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package require java
java::import java.awt.Button
java::import java.awt.Frame
 
set f [java::new Frame]
set b [java::new Button "Press Me"]
 
$f setSize 300 300
$f add $b
$f show
 

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public class treedb extends JFrame {
  private JDesktopPane jdesktop; // JDesktopPane物件變數
 
  private String dsn = "Books"; // ODBC系統資料來源
 
  private String user = ""; // 使用者帳號
 
  private String pass = ""; // 密碼
 
  // 新增，更新，刪除，查詢資料內層視窗的物件變數
  private static JInternalFrame addStudent111Frame = null;
  private static JInternalFrame addBook112Frame = null;
  private static JInternalFrame addBrview113Frame = null;
 
  private static JInternalFrame fix1Frame = null;
  private static JInternalFrame fix2Frame = null;
 
  private static JInternalFrame up1Frame = null;
  private static JInternalFrame up2Frame = null;
 
  private static JInternalFrame del1Frame = null;
  private static JInternalFrame del2Frame = null;
 
  private JTree tree;
  private JTextField JTF;
  private DefaultMutableTreeNode x,x111,x112,x113,x121,x122,x131,x132,x141,x142;
 
  public treedb() {
    super("資料庫報告"); // 視窗標題
    int offset = 100;
    // 取得螢幕的尺寸
    Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
    // 設定視窗範圍
    setBounds(offset, offset, screenSize.width - offset * 2,
        screenSize.height - offset * 2);
    set_ui_look_and_feel();
    makeGUI();
    JDBC.openODBC(dsn, user, pass); // 開啟JDBC
  }
 
  private void set_ui_look_and_feel()
  {
    try {
    UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
    SwingUtilities.updateComponentTreeUI(this);
    }
    catch(Exception ex){
    }
  }
 
  public void init() {
    try {
      SwingUtilities.invokeAndWait(new Runnable() {
        public void run() {
          makeGUI();
        }
      });
    }
    catch (Exception exc) {
      System.out.println("無法創造" + exc);
    }
  }
 
  private void makeGUI() {
    setLayout(new BorderLayout());
 
    DefaultMutableTreeNode top = new DefaultMutableTreeNode("簡易圖書管理系統");
    // 建立樹根
    x = new DefaultMutableTreeNode("jdbc:odbc:Books.mdb");
    top.add(x);
    DefaultMutableTreeNode x1 = new DefaultMutableTreeNode("JAVA_DB");
    x.add(x1);
 
    DefaultMutableTreeNode x11 = new DefaultMutableTreeNode("新增");
    x1.add(x11);
 
    x111 = new DefaultMutableTreeNode("借書人資料");
    x11.add(x111);
 
    x112 = new DefaultMutableTreeNode("圖書資料");
    x11.add(x112);
 
    x113 = new DefaultMutableTreeNode("借書單資料");
    x11.add(x113);
 
    DefaultMutableTreeNode x12 = new DefaultMutableTreeNode("查詢");
    x1.add(x12);
 
    x121 = new DefaultMutableTreeNode("書籍查詢");
    x12.add(x121);
 
    x122 = new DefaultMutableTreeNode("學生借閱資料");
    x12.add(x122);
 
    DefaultMutableTreeNode x13 = new DefaultMutableTreeNode("更新");
    x1.add(x13);
 
    x131 = new DefaultMutableTreeNode("學生資料");
    x13.add(x131);
 
    x132 = new DefaultMutableTreeNode("借閱資料");
    x13.add(x132);
 
    DefaultMutableTreeNode x14 = new DefaultMutableTreeNode("刪除");
    x1.add(x14);
 
    x141 = new DefaultMutableTreeNode("學生資料");
    x14.add(x141);
 
    x142 = new DefaultMutableTreeNode("借閱資料");
    x14.add(x142);
 
    tree = new JTree(top);
    // 建立數Tree的結構
 
    int v = ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED;
    int h = ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED;
    JScrollPane JSP = new JScrollPane(tree, v, h);
    add(JSP, BorderLayout.WEST);
 
    JTF = new JTextField("", 20);
    add(JTF, BorderLayout.SOUTH);
    tree.addMouseListener(new MouseAdapter() {
      public void mouseClicked(MouseEvent me) {
        doMouseClicked(me);
      }
    });
 
    jdesktop = new JDesktopPane();
    getContentPane().add(jdesktop);
  }
 
  void doMouseClicked(MouseEvent me) {
    final TreePath path = tree.getPathForLocation(me.getX(), me.getY());
    if (path != null && me.getClickCount() == 2) {
      Object node = path.getLastPathComponent();
     {
      if (node == x111) {
        createInternalFrame(1);
      }
      else if (node == x112) {
        createInternalFrame(2);
      }
      else if (node == x113) {
        createInternalFrame(3);
      }
      else if (node == x121) {
        createInternalFrame(4);
      }
      else if (node == x122) {
        createInternalFrame(5);
      }
      else if (node == x131) {
        createInternalFrame(6);
      }
      else if (node == x132) {
        createInternalFrame(7);
      }
      else if (node == x141) {
        createInternalFrame(8);
      }
      else if (node == x142) {
        createInternalFrame(9);
      }
     }
    }
 
    if (path != null)
      JTF.setText(path.toString());
    else
      JTF.setText("");
  }
 
  // 建立與顯示內層視窗
  private void createInternalFrame(int type) {
    JInternalFrame iframe = null;
    // 開啟各種功能的內層視窗
    switch (type) {
      case 1: // 開啟新增資料視窗1~3
        if (addStudent111Frame == null) {
          addStudent111Frame = new TBStudent();
        }
        iframe = addStudent111Frame;
        break;
 
      case 2:
        if (addBook112Frame == null) {
          addBook112Frame = new TBBook();
        }
        iframe = addBook112Frame;
        break;
 
      case 3:
        if (addBrview113Frame == null) {
          addBrview113Frame = new TBBB();
        }
        iframe = addBrview113Frame;
        break;
 
      case 4: // 開啟查詢資料視窗4~5
        if (fix1Frame == null) {
          fix1Frame = new TB02();
        }
        iframe = fix1Frame;
        break;
 
      case 5:
        if (fix2Frame == null) {
          fix2Frame = new TB03();
        }
        iframe = fix2Frame;
        break;
 
      case 6: // 開啟更新資料視窗6~7
        if (up1Frame == null) {
          up1Frame = new TB04();
        }
        iframe = up1Frame;
        break;
      case 7:
        if (up2Frame == null) {
          up2Frame = new TB05();
        }
        iframe = up2Frame;
        break;
      case 8: // 開啟刪除資料視窗8~9
        if (del1Frame == null) {
          del1Frame = new TB06();
        }
        iframe = del1Frame;
        break;
      case 9:
        if (del2Frame == null) {
          del2Frame = new TB07();
        }
        iframe = del2Frame;
        break;
    }
    if (!iframe.isVisible()) {
      jdesktop.add(iframe);
      iframe.setVisible(true); // 顯示內層視窗
    }
    else {
      try {
        iframe.setSelected(true); // 顯示成啟動視窗
        if (iframe.isIcon()) // 不是圖示顯示
          iframe.setIcon(false);
      }
      catch (PropertyVetoException e) {
        e.printStackTrace();
      }
    }
  }
 
  public static void main(String[] args) { // 建立Swing應用程式
    treedb app = new treedb();
    app.setDefaultCloseOperation(EXIT_ON_CLOSE);
    app.setSize(800,600);
    app.setVisible(true); // 顯示視窗
  }