MovementTest

import java.awt.Frame;
import java.awt.Graphics;
import java.awt.Rectangle;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.awt.event.MouseEvent;
import java.awt.event.MouseMotionListener;


public class MovementTest extends Frame implements Runnable, MouseMotionListener, KeyListener {

    private static Thread thread;
    private int mouseX, mouseY;
    private boolean movingRight;
    private boolean movingLeft;
    private boolean movingUp;
    private boolean movingDown;

    private Rectangle player = new Rectangle(50, 50, 100, 100);
    private Rectangle wallOne = new Rectangle(400, 50, 100, 100);

    public MovementTest() {
        setSize(800, 600);
        setVisible(true);
        addKeyListener(this);
        addMouseMotionListener(this);
    }

    public static void main(String[] args) {
        thread = new Thread(new MovementTest());
        thread.start();
    }

    @Override
    public void run() {
        try {
            while(true) {
                if(player.intersects(wallOne)) {
                    thread.stop();
                    break;
                }
                if(movingRight) {
                    player.x++;
                } else if(movingLeft) {
                    player.x--;
                }
                if(movingUp) {
                    player.y--;
                } else if(movingDown) {
                    player.y++;
                }
                paint(getGraphics());
                Thread.sleep(5);
            }
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
    }

    @Override
    public void keyPressed(KeyEvent e) {
        int key = e.getKeyCode();
        if (key == KeyEvent.VK_D)
            movingRight = true;
        if (key == KeyEvent.VK_A)
            movingLeft = true;
        if (key == KeyEvent.VK_W)
            movingUp = true;
        if (key == KeyEvent.VK_S)
            movingDown = true;
    }

    @Override
    public void keyReleased(KeyEvent e) {
        int key = e.getKeyCode();
        if (key == KeyEvent.VK_D)
            movingRight = false;
        if (key == KeyEvent.VK_A)
            movingLeft = false;
        if (key == KeyEvent.VK_W)
            movingUp = false;
        if (key == KeyEvent.VK_S)
            movingDown = false;
    }

    @Override
    public void keyTyped(KeyEvent arg0) {
        // TODO Auto-generated method stub

    }

    public void paint(Graphics g) {
        g.drawString("x: " + mouseX + " y: " + mouseY, 5, 35);
        g.drawRect(player.x, player.y, 100, 100);
        g.drawRect(wallOne.x, wallOne.y, 100, 100);
        repaint();
    }

    @Override
    public void mouseDragged(MouseEvent e) {
        // TODO Auto-generated method stub

    }

    @Override
    public void mouseMoved(MouseEvent e) {
        mouseX = e.getX();
        mouseY = e.getY();
    }
}