Basic LWJGL Images

import java.io.IOException;
import java.io.File;

import org.lwjgl.LWJGLException;
import org.lwjgl.opengl.Display;
import org.lwjgl.opengl.DisplayMode;
import static org.lwjgl.opengl.GL11.*;
import org.newdawn.slick.Color;
import org.newdawn.slick.opengl.Texture;
import org.newdawn.slick.opengl.TextureLoader;
import org.newdawn.slick.util.ResourceLoader;

public class main {
    private Texture[] texture = new Texture[10];
    private String tilesLocation = System.getProperty("user.dir") + "\\res\\tiles\\";

    public void start()
    {
        initGL(800, 600);
        init();


        while(!Display.isCloseRequested())
        {
            glClear(GL_COLOR_BUFFER_BIT);
            render();
            Display.update();
            Display.sync(100);

            if(Display.isCloseRequested()){
                Display.destroy();
                System.exit(0);
            }
        }
    }

    private void initGL(int width, int height)
    {
        try {
            Display.setDisplayMode(new DisplayMode(width,height));
            Display.create();
            Display.setVSyncEnabled(true);
        } catch (LWJGLException e) {
            e.printStackTrace();
            System.exit(0);
        }

        glEnable(GL_TEXTURE_2D);

        glClearColor(0.0f, 0.0f, 0.0f, 0.0f);

        // enable alpha blending
        glEnable(GL_BLEND);
        glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);

        glViewport(0,0,width,height);
        glMatrixMode(GL_MODELVIEW);

        glMatrixMode(GL_PROJECTION);
        glLoadIdentity();
        glOrtho(0, width, height, 0, 1, -1);
        glMatrixMode(GL_MODELVIEW);

    }

    private void init()
    {
        try
        {
            int curI = 0;

            for(int i = 0; i < 1000; ++i)
            {
                if(new File(tilesLocation + i + ".png").exists())
                {
                    texture[curI] = TextureLoader.getTexture("PNG", ResourceLoader.getResourceAsStream(tilesLocation + i + ".png"));

                    System.out.println("Texture loaded: "+texture[curI]);
                    System.out.println(">> Image width: "+texture[curI].getImageWidth());
                    System.out.println(">> Image height: "+texture[curI].getImageHeight());
                    System.out.println(">> Texture width: "+texture[curI].getTextureWidth());
                    System.out.println(">> Texture height: "+texture[curI].getTextureHeight());
                    System.out.println(">> Texture ID: "+texture[curI].getTextureID());
                    curI++;
                    if(curI == 9) break;
                }
                else { System.out.println("false");}
            }
        } catch(IOException e){
            e.printStackTrace();
            }
    }

    private void render()
    {
        Color.white.bind();
        float sx = 32, sy = 100;
        float x, y;

        for(int i = 0; i < texture.length; ++i)
        {
            if(texture[i] != null)
            {
                x = sx * i;
                y = sy;

                texture[i].bind(); // or glBind(texture[i].getTextureID());

                glBegin(GL_QUADS);
                    glTexCoord2f(0,0);
                    glVertex2f(x, y);
                    glTexCoord2f(1,0);
                    glVertex2f(x + texture[i].getTextureWidth(), y);
                    glTexCoord2f(1, 1);
                    glVertex2f(x + texture[i].getTextureWidth(), y + texture[i].getTextureHeight());
                    glTexCoord2f(0, 1);
                    glVertex2f(x, y + texture[i].getTextureHeight());
                glEnd();
            }
        }
    }

    public static void main(String[] args) {
        // TODO Auto-generated method stub
        main images = new main();
        images.start();
    }

}