Hangman obj

package Hangman_object_oriented;

import java.util.*;

public class Hangman_obj
{
	 public static void main(String[] args)
	 {
	 Scanner keyboard = new Scanner(System.in);
	 Random rand = new Random();
	 String[] guesses = {"elephant","tiger","monkey","baboon","barbeque","giraffe","simple","zebra","porcupine","aardvark"};


	  boolean playing = true;
	  while (playing)
	 {
		    System.out.println("Welcome to Hangman");
		    char[] randomWord = guesses[rand.nextInt(guesses.length)].toCharArray();
		    int amountOfGuesses = randomWord.length;
		   	char[] playerGuess = new char[amountOfGuesses];

		    for (int i = 0; i < playerGuess.length; i++)
		  	{
		    	playerGuess[i] = '_';
		    }

		    boolean wordGuessed = false;
		    int tries = 0;

		    while (!wordGuessed && tries != amountOfGuesses)
		    {
		    	System.out.print("Current guesses: ");
		    	printArray(playerGuess);
		    	System.out.printf("You have %d tries left.\n", amountOfGuesses - tries);
		    	System.out.println("Enter a single character");
		    	char input = keyboard.nextLine().charAt(0);
		    	tries++;

		    	if(input == '-')
		    	{
		    		playing = false;
		    		wordGuessed = true;
		    	}
		    	else
		    	{
		    		 for (int i = 0; i < randomWord.length; i++)
		 		  	{
		 		    	if(randomWord[i] == input)
		 		    	{
		 		    		playerGuess[i] = input;
		 		    	}
		 		    }
		    	}
		    	if (theWordGuessed(playerGuess))
		    	{
		    		wordGuessed = true;
		    		System.out.println("You win");
		    	}
		    }
	    	if (!wordGuessed)
	    	System.out.println("Out of guesses");
	    	System.out.println("Do you want to play again (yes/no)");
	    	String anotherGame = keyboard.nextLine();
	    	if (anotherGame.equals("no")) playing = false;
	  }
	  System.out.println("Game Over");
   }
	 public static void printArray(char[] array)
	 {
		 for (int i = 0; i < array.length; i++)
		 {
			 System.out.println(array[i] + " ");
		 }
		 System.out.println();
	 }
	 public static boolean theWordGuessed(char[] array)
	 {
		 for(int i = 0; i <array.length; i++)
		 {
			 if(array[i] =='_')
			return false;
		 }
		 return true;
	 }
}