TanSanC

package com.tistory.tansanc;

import java.util.Scanner;

public class User {

   public static void main(String[] args) {

       Scanner sc = new Scanner(System.in);

       String[] word = {"기러기", "기차표","스피커"};

       String oldWord = word[

                         (int)(Math.random()*3)  ];

       System.out.println("제시어 : " + oldWord);

       String newWord = sc.nextLine();    

       if( oldWord.charAt(2) ==

             newWord.charAt(0) )

       {

          System.out.println("OK");

       }

       else

       {

          System.out.println("ERROR");

       }

       while(true)

       {

          oldWord = newWord;

          newWord = sc.nextLine();     

          if( oldWord.charAt(2) ==

                 newWord.charAt(0) )

          {

             System.out.println("OK");

          }

          else

          {

             System.out.println("ERROR");

          }

       }        

   }

}