Code:
import java.util.*;
import java.io.*;
import java.math.*;
import java.awt.event.*; 

class Node
{
	String ortu,isi;
	int jumanak,jumchild;
	Node child[] = new Node[5];
public Node(String parent, String a)
	{
		ortu=parent;
		isi=a;
                jumanak=jumchild;
	}
}

public class tree 
{
private Node root;
...