Dream.In.Code -> Multi-player classic word game.

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Multi-player classic word game.

29 November 2011

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Posted by gojabe

Implementing the classic word game,in a multi-player word game. If you don't know about the rules.Then its as follows ,a player begins the game by telling a random word,the next player must tell a word begins with the last letter of the word the previous player,& also he also must use a word that hasn't been used before for not getting disqualified.This process goes on repeating until till the last player,& again loops back to the first player.This process goes on,until only one player remains,& all others get disqualified.

Here i have implemented this thing using a class named wordGame. The class wordGame have a parameterized constructor through which we initialize the number of players that will be playing. Here a i have used a database string to hold all the words that have been used. Matching the last letters of the previous words & first letters of the present letters is fairly simple,and can be easily done.

package Word_Game;
import java.io.*;
public class wordGame
{
public static int players,p[];
public wordGame(int pl)
{
    p=new int[pl];
    players=pl;
}
public void play()throws Exception
{ 
    String dictionary="",curr_word="";
    BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
    int i=0,ctr=0;
    while(true)
    {
        if(i==players)
            i=0;
        if(ctr==(players-1))
            break;
        if(p[i]==0)
        {
         if(dictionary.equals(""))
         {
             System.out.println("Player "+(i+1)+" :Enter a word--->");
             curr_word=br.readLine();
             dictionary=curr_word+" ";
         }
         else
         {
             int dl=dictionary.length()-2;
             System.out.println("Player "+(i+1)+" :Enter a word that begins with "+dictionary.charAt(dl)+ "--->");
             curr_word=br.readLine();
             if(check(dictionary,curr_word) || (dictionary.charAt(dl))!=curr_word.charAt(0))
             {
                 p[i]=1;ctr++;
                 System.out.println("Player "+(i+1)+" :Sorry you have been eliminated.\nBetter luck next time.....");
             }
             else
                 dictionary=dictionary+curr_word+" ";
         }
        }
        i++;
    }
    int k=0;
    while(k<players)
        if(p[k++]==0)
        System.out.println("The winner is Player "+k);
}
public boolean check(String db,String w)
{
    boolean b=false;
    int i=0,j=0,l=db.length();
    while(j<l && b==false)
    {
    if(db.charAt(j)==' ')
    {
        if((db.substring(i, j)).equalsIgnoreCase(w))
            b=true;
    i=j+1;
    }
    j++;
    }
    return b;
}
}

Now implementing the wordGame class i.e implementing the game

package Word_Game;
import java.io.*;
public class Main 
{
public static void main(String args[])throws Exception
{
    BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
    System.out.println("Enter the number of players for this classic word game::");
    int p=Integer.parseInt(br.readLine());
    wordGame wd=new wordGame(p);
    wd.play();
}
}

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