Java Texturing and Indices // OpenGL

//RawModel.java
public class RawModel {

    private int vaoID;
    private int vertexCount;

    public void RawMOdel(int vaoID, int vertexCount){
        this.vaoID = vaoID;
        this.vertexCount = vertexCount;
    }

    public in getVaoID(){
        return vaoID;
    }
    public int getVertexCount(){
        return vertexCount;
    }
}

//Loader.java
public class Loader {

    public RawModel loadToVAO(float[] positions){
        int vaoID= createVAO();
        storeDataInAttributeList(0, positions);
        unbindVAO();
        return new RawMOdel(vaoID, positions.length / 3);
    }
    private int createVAO(){
        int vaoID = GL30.glGenVertexArrays();
        GL30.glBindVertexArray(vaoID);
        return vaoID;
    }

    private void storeDataInAttributeList(int attributeNumber, float[] data){
        int vboID = GL15.glGenBuffers();
        GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, vboID);
    }

    private void unbindVAO(){
        GL30.glBindVertexArray(0);
    }
}

//Index Buffers Rendering
    //In Loader.java
    private void bindIndicesBuffer(int[] indices){
        int vboID = GL15.glGenBuffers();
        vbos.add(vboID);
        GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, vboID();
        IntBuffer buffer = storeDataInIntBuffer(indices);
        GL15.glBufferData(GL15.GL_ELEMENT_ARRAY_BUFFER, buffer, GL15.GL_STATIC_DRAW);
    }

    //Add:in public RawModel(constructor)
    float[] posistions, int[] indices
    bindIndicesBuffer(indices);
    //Change in renderer:
    GL11.glDrawElements(GL11.GL_TRIANGLES, model.getVertexCount(), GL11.GL_UNSIGNED_INT, 0);
    private IntBuffer storeDataInIntBuffer(int[] data){
        IntBuffer buffer = BufferUtils.createIntBuffer(data.length);
        buffer.put(data);
        buffer.flip();
        return buffer;
    }

    //In MaingameLoop.java
    float[] vertices = {
    -0.5f, 0.5f, 0,
    -0.5f, -0.5f, 0,
    0.5f, -0.5f, 0,
    0.5f, 0.5f, 0f
    };

    int[] indices = {
    0, 1, 3,
    3, 1, 2
    };

//Texturing
    //Add:
    private List<Integer> texture = new ArrayList<Integer>();

    public int loadTexture(String fileName){
        Texture texture = null;
        try{
        texture = TextureLoader.getTexture("PNG", new FileInputStream("res/"+fileName+".png"));
        } catch (FileNotFoundException e){
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
        int textureID = texture.getTextureID();
        return textureID;
    }