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Practical 07

The document shows how to create a JTree in Java to display hierarchical data. It creates a root node for India and child nodes for states. Nodes are then added to display cities in different states to build the tree structure.

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Bhushan Bhoye
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23 views2 pages

Practical 07

The document shows how to create a JTree in Java to display hierarchical data. It creates a root node for India and child nodes for states. Nodes are then added to display cities in different states to build the tree structure.

Uploaded by

Bhushan Bhoye
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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Practical No : 07

import javax.swing.*;
import javax.swing.tree.*;
import java.awt.*;

public class JTreeDemo


{
public static void main(String[] args) {

JFrame JFrameMain = new JFrame();


JFrameMain.setVisible(true);
JFrameMain.setSize(400,400);

DefaultMutableTreeNode rootNode = new


DefaultMutableTreeNode("India");

DefaultMutableTreeNode maharashtraNode = new


DefaultMutableTreeNode("Maharashtra");
DefaultMutableTreeNode gujrathNode = new
DefaultMutableTreeNode("Gujrath");
rootNode.add(maharashtraNode);
rootNode.add(gujrathNode);

DefaultMutableTreeNode mumbaiSubNode = new


DefaultMutableTreeNode("Mumbai");
DefaultMutableTreeNode puneSubNode = new
DefaultMutableTreeNode("Pune");
DefaultMutableTreeNode nashikSubNode = new
DefaultMutableTreeNode("Nashik");
DefaultMutableTreeNode nagpurSubNode = new
DefaultMutableTreeNode("Nagpur");

maharashtraNode.add(mumbaiSubNode);
maharashtraNode.add(puneSubNode);
maharashtraNode.add(nashikSubNode);
maharashtraNode.add(nagpurSubNode);

JTree tree = new JTree(rootNode);


JFrameMain.add(tree);
}

Output :

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