TreeArraySample.java Source code

Introduction

Here is the source code for TreeArraySample.java

Source

import java.awt.BorderLayout;
import java.util.Vector;

import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTree;

public class TreeArraySample {
    public static void main(String args[]) {
        JFrame frame = new JFrame("JTreeSample");

        Vector oneVector = new NamedVector("One", args);
        Vector twoVector = new NamedVector("Two", new String[] { "Mercury", "Venus", "Mars" });
        Vector threeVector = new NamedVector("Three");
        threeVector.add(System.getProperties());
        threeVector.add(twoVector);
        Object rootNodes[] = { oneVector, twoVector, threeVector };
        Vector rootVector = new NamedVector("Root", rootNodes);
        JTree tree = new JTree(rootVector);

        JScrollPane scrollPane = new JScrollPane(tree);
        frame.getContentPane().add(scrollPane, BorderLayout.CENTER);
        //    frame.getContentPane().add(tree, BorderLayout.CENTER);
        frame.setSize(300, 300);
        frame.setVisible(true);
    }
}

class NamedVector extends Vector {
    String name;

    public NamedVector(String name) {
        this.name = name;
    }

    public NamedVector(String name, Object elements[]) {
        this.name = name;
        for (int i = 0, n = elements.length; i < n; i++) {
            add(elements[i]);
        }
    }

    public String toString() {
        return "[" + name + "]";
    }
}