I need help with my JAVA program with code. I just need help implementing 3 methods (isComplete, foundGuessLetter, pickedRandomWord). The main method on the bottom doesn't need to be changed. I commented where exactly I need help implementing at. Thanks!

import java.util.Scanner;

public class Hangman {

  

/** We'll use underscores for unknown letters. */

public static final char BLANK = '_';

/**

   * Have all the letters in the guess been filled in?

   * @param knownLetters Array of letters that player knows.

   * @return True if knownLetters has no blanks (that is, no underscores)

   */

public static boolean isComplete(char[] knownLetters) {

// REPLACE THE METHOD BODY

return false;

}

/**

   * Checks to see if letter occurs at least once in word. If so,

   * sets the corresponding elements of knownLetters to letter and

   * returns true. If not, returns false.

   * @param letter Letter that player has guessed.

   * @param word The word we are checking.

   * @param knownLetters Array of letters that player knows.

   * @return True if letter was found in word.

   */

public static boolean foundGuessedLetter(char letter,

   String word,

   char[] knownLetters) {

// REPLACE THE METHOD BODY

return false;

}

/**

   * Selects a random word from the dictionary.

   * @param dictionary An array of words.

   * @return Randomly chosen word from dictionary.

   */

public static String pickRandomWord(String[] dictionary) {

// REPLACE THE METHOD BODY

// Maybe implementing this method first, since

// the program will crash if it returns null.

return null;

}

/**

   * This method prints ASCII art of the hanged man.

   * You don't need to change this method.

   * @param guesses The number of guesses remaining.

   */

public static void drawAsciiMan(int guesses){

// top of gallows

System.out.println(" _______");

// head (or not)

if(guesses < 6) {

System.out.println(" | O");

} else {

System.out.println(" |");

}

// Body and arms

switch (guesses) {

case 6:

case 5:

// no body

System.out.println(" |");

break;

case 4:

// body, no arms

System.out.println(" | |");

break;

case 3:

// body and left arm

System.out.println(" | /|");

break;

default:

// body and both arms

System.out.println(" | /|\\");

break;

}

// Legs

switch (guesses) {

case 1:

// left leg

System.out.println(" | /");

break;

case 0:

// both legs

System.out.println(" | / \\");

break;

default:

// no legs

System.out.println(" |");

break;

}

// bottom of gallows

System.out.println("_|_" );

}

/**

   * Plays a text-based game of hangman.

   * You don't need to change this method.

   */

public static void main(String[] args) {

// Let's use some animals for our words in this game.

String[] words = {"aardvark", "alligator", "alpaca", "anteater",

"antelope", "ape", "armadillo", "baboon",

"badger", "bat", "bear", "beaver", "bison", "boar",

"buffalo", "bull", "bunny", "burro", "camel",

"canary", "capybara", "cat", "chameleon", "cheetah",

"chimpanzee", "chinchilla", "chipmunk", "colt",

"cougar", "cow", "coyote", "crocodile", "crow",

"deer", "dingo", "doe", "dog", "donkey", "dormouse",

"elephant", "elk", "ewe", "fawn", "ferret", "finch",

"fish", "fox", "frog", "gazelle", "giraffe", "gnu",

"goat", "gopher", "gorilla", "hamster", "hare",

"hedgehog", "hippopotamus", "hog", "horse", "hyena",

"ibex", "iguana", "impala", "jackal", "jaguar",

"kangaroo", "kid", "kitten", "koala", "lamb",

"lemur", "leopard", "lion", "lizard", "llama",

"lynx", "mare", "marmoset", "marten", "mink",

"mole", "mongoose", "monkey", "moose", "mouse",

"mule", "muskrat", "mustang", "newt", "ocelot",

"opossum", "orangutan", "oryx", "otter", "ox",

"panda", "panther", "parakeet", "parrot", "pig",

"platypus", "pony", "porcupine", "porpoise", "puma",

"puppy", "rabbit", "raccoon", "ram", "rat",

"reindeer", "reptile", "rhinoceros", "salamander",

"seal", "sheep", "shrew", "skunk", "sloth", "snake",

"squirrel", "stallion", "steer", "tapir", "tiger",

"toad", "turtle", "vicuna", "walrus", "warthog",

"weasel", "whale", "wildcat", "wolf", "wolverine",

"wombat", "woodchuck", "yak", "zebra"};

  

System.out.println("Welcome to Hangman! Try to guess my word.");

String word = pickRandomWord(words);

  

char[] known = new char[word.length()];

for(int i = 0; i < known.length; i++) {

known[i] = BLANK;

}

Scanner sc = new Scanner(System.in);

int guesses = 6;

while(guesses > 0 && !isComplete(known)) {

System.out.println(); // blank line between guesses

System.out.println("Guesses remaining: " + guesses);

drawAsciiMan(guesses);

System.out.println("Word: " + new String(known));

System.out.print("Enter your guess: ");

// grabbing the entire next token and then taking only 1st char

char letter = sc.next().trim().charAt(0);

if(!foundGuessedLetter(letter, word, known)) {

System.out.println("Sorry, there is no " + letter);

guesses--;

}

}

drawAsciiMan(guesses);

System.out.println("Word: " + new String(known));

if(isComplete(known)) {

System.out.println("Hooray! You win!");

} else {

System.out.println("You lose. The word was: " + word);

}

}

}