import javax.swing.BoxLayout;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JTree;
import javax.swing.tree.DefaultMutableTreeNode;

public class MultiTree extends JFrame{
	private static final long serialVersionUID = 1L;
	MultiTree() {
		this.setTitle("JAVA");
		setResizable(false);
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		setBounds(350, 150, 300, 320);

		JPanel container = new JPanel();
		container.setLayout(new BoxLayout(container, BoxLayout.X_AXIS));
		setContentPane(container);
		
		JPanel panel = new JPanel();
		panel.setLayout(null);
		
		DefaultMutableTreeNode A100 = new DefaultMutableTreeNode("A100", true);

		DefaultMutableTreeNode B40 = new DefaultMutableTreeNode("B40");
		DefaultMutableTreeNode C40 = new DefaultMutableTreeNode("C40");
		DefaultMutableTreeNode D20 = new DefaultMutableTreeNode("D20");
		A100.add(B40);
		A100.add(C40);
		A100.add(D20);
		
		DefaultMutableTreeNode G20 = new DefaultMutableTreeNode("G20");
		DefaultMutableTreeNode E10 = new DefaultMutableTreeNode("E10");
		DefaultMutableTreeNode F10 = new DefaultMutableTreeNode("F10");
		B40.add(G20);
		B40.add(E10);
		B40.add(F10);

		DefaultMutableTreeNode J6 = new DefaultMutableTreeNode("J6");
		DefaultMutableTreeNode K4 = new DefaultMutableTreeNode("K4");
		F10.add(J6);
		F10.add(K4);

		DefaultMutableTreeNode M3 = new DefaultMutableTreeNode("M3");
		DefaultMutableTreeNode N2 = new DefaultMutableTreeNode("N2");
		DefaultMutableTreeNode L1 = new DefaultMutableTreeNode("L1");
		J6.add(M3);
		J6.add(N2);
		J6.add(L1);

		DefaultMutableTreeNode H30 = new DefaultMutableTreeNode("H30");
		DefaultMutableTreeNode I10 = new DefaultMutableTreeNode("I10");
		C40.add(H30);
		C40.add(I10);
		
		JTree tree = new JTree(A100);
		tree.setBounds(5, 5, 280, 300);
		panel.add(tree);
		container.add(panel);

	}
	public static void main(String args[]) {
		
		MultiTree tree = new MultiTree();
		tree.setVisible(true);
		
	}

}