Word Game in Java Program

Word game in java program. First you know that the basic of java program and java concepts, After that you know a simple word game.

Code Here:

import java.util.*;
class wordgame
{  
  public static void main(String args[])
  {
	Scanner sc =new Scanner(System.in);
	StringBuffer a = new StringBuffer();
	StringBuffer b = new StringBuffer();
    int x,y,z=0;
    System.out.println("Player-1 enter any word=");
    a.append(sc.nextLine());
	x=a.length();
    System.out.println("Player-2 enter end word of player-1=");
	b.append(sc.nextLine());
	y=b.length();
    while(a.charAt(x-1)==b.charAt(0) || b.charAt(y-1)==a.charAt(0))
    {
      System.out.println("\nPlayer-1 enter end word of player-2=");
      x=a.length();
      a.append(sc.nextLine());    
      z++;
      if(b.charAt(y-1)==a.charAt(0))
      {
        System.out.println("\nPlayer-2 enter end word of player-1=");
        y=b.length();
        b.append(sc.nextLine());
        z++;
      }
      else
      break;
    }
    if(z%2==0)
       System.out.println("\n player-1 is won");
    else
       System.out.println("\n player-2 is won");
  }
}