Madhivarman

class Node:

	#creation of node
	def __init__(self,data):

		self.data = data #assign data
		self.next = None #initialize null

class LinkedList:

Madhivarman

//spiral matrix method is used
import java.io.*;
import java.util.Scanner;

public class BrainTeaser{
	static int[] array = new int[200];
	static int userchoice;

	//brainFunction called here

Madhivarman

import java.io.*;
import java.util.Scanner;

class HashingTable{
	static String userchoice;
	static int capacity;
	static int array[];
	//constructor function called
	public  HashingTable(int capacity){
		this.capacity = nextPrime(capacity);