GameKeyboard.java

package me.willchill.game.input;

import java.util.ArrayList;
import java.util.List;

import org.lwjgl.input.Keyboard;

public class GameKeyboard {

    public static List<Integer> pressedKeys = new ArrayList<Integer>();

    public void pollInput(){

        while(Keyboard.next()){

            if(Keyboard.getEventKeyState()){
                //if pressed...
                    if (Keyboard.getEventKey() == Keyboard.KEY_W) {
                        System.out.println("W Key Pressed");
                        pressedKeys.add((Integer) Keyboard.KEY_W);
                    }
                    if (Keyboard.getEventKey() == Keyboard.KEY_A) {
                        System.out.println("A Key Pressed");
                        pressedKeys.add((Integer) Keyboard.KEY_A);
                    }
                    if (Keyboard.getEventKey() == Keyboard.KEY_S) {
                        System.out.println("S Key Pressed");
                        pressedKeys.add((Integer) Keyboard.KEY_S);
                    }
                    if (Keyboard.getEventKey() == Keyboard.KEY_D) {
                        System.out.println("D Key Pressed");
                        pressedKeys.add((Integer) Keyboard.KEY_D);
                    }
                } else {
                    //if not pressed...
                    if (Keyboard.getEventKey() == Keyboard.KEY_W) {
                        System.out.println("W Key Released");
                        pressedKeys.remove((Integer) Keyboard.KEY_W);
                    }
                    if (Keyboard.getEventKey() == Keyboard.KEY_A) {
                        System.out.println("A Key Released");
                        pressedKeys.remove((Integer) Keyboard.KEY_A);
                    }
                    if (Keyboard.getEventKey() == Keyboard.KEY_S) {
                        System.out.println("S Key Released");
                        pressedKeys.remove((Integer) Keyboard.KEY_S);
                    }
                    if (Keyboard.getEventKey() == Keyboard.KEY_D) {
                        System.out.println("D Key Released");
                        pressedKeys.remove((Integer) Keyboard.KEY_D);
                    }
                }
        }
    }
}