demosimplejtree.java

java netbeans 学习程序合集

/*
 * DemoSimpleJTree.java
 *
 * Created on 2007年8月9日, 下午3:34
 *
 * To change this template, choose Tools | Template Manager
 * and open the template in the editor.
 */

package org.Adam;
import java.awt.*;
import javax.swing.*;
import javax.swing.tree.*;
 /**
 *
 * @author Administrator
 */
public class DemoSimpleJTree extends JFrame{
    JTree tree;
    
    DefaultTreeModel treemodel;
    DefaultMutableTreeNode root,subroot,subroot2,leaf1,leaf2,leaf3,leaf4;
    /** Creates a new instance of DemoSimpleJTree */
    public DemoSimpleJTree() {
        root=new DefaultMutableTreeNode("根节点");
        subroot=new DefaultMutableTreeNode("子节点1");
        subroot2=new DefaultMutableTreeNode("子节点2");
        leaf1=new DefaultMutableTreeNode("叶子节点1");
        leaf2=new DefaultMutableTreeNode("叶子节点2");
        leaf3=new DefaultMutableTreeNode("叶子节点3");
        leaf4=new DefaultMutableTreeNode("叶子节点4");
        treemodel=new DefaultTreeModel(root);
        tree=new JTree(treemodel);
        treemodel.insertNodeInto(subroot,root,0);
        treemodel.insertNodeInto(subroot2,root,1);
        subroot.add(leaf1);
        subroot.add(leaf2);
        subroot2.add(leaf3);
        subroot2.add(leaf4);
        this.add(tree,BorderLayout.CENTER);
        this.setTitle("JTree简单应用");
        this.setBounds(100,100,250,200);
        this.setVisible(true);
        this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    }
    public static void main(String[] args) {
        new DemoSimpleJTree();
    }
/*
    private void add(JTree tree, String CENTER) {
        throw new UnsupportedOperationException("Not yet implemented");
    }

    private void setTitle(String string) {
        throw new UnsupportedOperationException("Not yet implemented");
    }

    private void setBounds(int i, int i0, int i1, int i2) {
        throw new UnsupportedOperationException("Not yet implemented");
    }

    private void setVisible(boolean b) {
        throw new UnsupportedOperationException("Not yet implemented");
    }

    private void setDefaultCloseOperation(int EXIT_ON_CLOSE) {
        throw new UnsupportedOperationException("Not yet implemented");
    }
   */
 }