@Override public void display(GLAutoDrawable glad) { GL3 gl3 = glad.getGL().getGL3(); gl3.glClearColor(0.0f, 0.0f, 0.0f, 1.0f); gl3.glClear(GL3.GL_COLOR_BUFFER_BIT); gl3.glUseProgram(program); gl3.glBindVertexArray(VAO[0]); gl3.glDrawArrays(GL3.GL_TRIANGLES, 0, 3); gl3.glBindVertexArray(0); gl3.glUseProgram(0); }