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import java.awt.Frame;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import javax.media.opengl.*;
import javax.media.opengl.awt.GLCanvas;
 
import com.jogamp.opengl.util.*;
 
public class SimpleScene implements GLEventListener {
 
    private double theta = 0;
    private double s = 0;
    private double c = 0;
 
    public static void main(String[] args) {
        GLProfile glp = GLProfile.getDefault();
        GLCapabilities caps = new GLCapabilities(glp);
        GLCanvas canvas = new GLCanvas(caps);
 
        Frame frame = new Frame("AWT Window Test");
        frame.setSize(300, 300);
        frame.add(canvas);
        frame.setVisible(true);
 
        frame.addWindowListener(new WindowAdapter() {
            public void windowClosing(WindowEvent e) {
                System.exit(0);
            }
        });
 
        canvas.addGLEventListener(new SimpleScene());
 
        FPSAnimator animator = new FPSAnimator(canvas, 60);
        animator.add(canvas);
        animator.start();
    }
 
    @Override
    public void display(GLAutoDrawable drawable) {
        update();
        render(drawable);
    }
 
    @Override
    public void dispose(GLAutoDrawable drawable) {
    }
 
    @Override
    public void init(GLAutoDrawable drawable) {
    }
 
    @Override
    public void reshape(GLAutoDrawable drawable, int x, int y, int w, int h) {
    }
 
    private void update() {
        theta += 0.01;
        s = Math.sin(theta);
        c = Math.cos(theta);
    }
 
    private void render(GLAutoDrawable drawable) {
        GL2 gl = drawable.getGL().getGL2();
 
        gl.glClear(GL.GL_COLOR_BUFFER_BIT);
 
        // draw a triangle filling the window
        gl.glBegin(GL.GL_TRIANGLES);
        gl.glColor3f(1, 0, 0);
        gl.glVertex2d(-c, -c);
        gl.glColor3f(0, 1, 0);
        gl.glVertex2d(0, c);
        gl.glColor3f(0, 0, 1);
        gl.glVertex2d(s, -s);
        gl.glEnd();
    }
}

Main.java:9: error: class SimpleScene is public, should be declared in a file named SimpleScene.java
public class SimpleScene implements GLEventListener {
       ^
Main.java:4: error: package javax.media.opengl does not exist
import javax.media.opengl.*;
^
Main.java:5: error: package javax.media.opengl.awt does not exist
import javax.media.opengl.awt.GLCanvas;
                             ^
Main.java:7: error: package com.jogamp.opengl.util does not exist
import com.jogamp.opengl.util.*;
^
Main.java:9: error: cannot find symbol
public class SimpleScene implements GLEventListener {
                                    ^
  symbol: class GLEventListener
Main.java:39: error: cannot find symbol
    public void display(GLAutoDrawable drawable) {
                        ^
  symbol:   class GLAutoDrawable
  location: class SimpleScene
Main.java:45: error: cannot find symbol
    public void dispose(GLAutoDrawable drawable) {
                        ^
  symbol:   class GLAutoDrawable
  location: class SimpleScene
Main.java:49: error: cannot find symbol
    public void init(GLAutoDrawable drawable) {
                     ^
  symbol:   class GLAutoDrawable
  location: class SimpleScene
Main.java:53: error: cannot find symbol
    public void reshape(GLAutoDrawable drawable, int x, int y, int w, int h) {
                        ^
  symbol:   class GLAutoDrawable
  location: class SimpleScene
Main.java:62: error: cannot find symbol
    private void render(GLAutoDrawable drawable) {
                        ^
  symbol:   class GLAutoDrawable
  location: class SimpleScene
Main.java:16: error: cannot find symbol
        GLProfile glp = GLProfile.getDefault();
        ^
  symbol:   class GLProfile
  location: class SimpleScene
Main.java:16: error: cannot find symbol
        GLProfile glp = GLProfile.getDefault();
                        ^
  symbol:   variable GLProfile
  location: class SimpleScene
Main.java:17: error: cannot find symbol
        GLCapabilities caps = new GLCapabilities(glp);
        ^
  symbol:   class GLCapabilities
  location: class SimpleScene
Main.java:17: error: cannot find symbol
        GLCapabilities caps = new GLCapabilities(glp);
                                  ^
  symbol:   class GLCapabilities
  location: class SimpleScene
Main.java:18: error: cannot find symbol
        GLCanvas canvas = new GLCanvas(caps);
        ^
  symbol:   class GLCanvas
  location: class SimpleScene
Main.java:18: error: cannot find symbol
        GLCanvas canvas = new GLCanvas(caps);
                              ^
  symbol:   class GLCanvas
  location: class SimpleScene
Main.java:33: error: cannot find symbol
        FPSAnimator animator = new FPSAnimator(canvas, 60);
        ^
  symbol:   class FPSAnimator
  location: class SimpleScene
Main.java:33: error: cannot find symbol
        FPSAnimator animator = new FPSAnimator(canvas, 60);
                                   ^
  symbol:   class FPSAnimator
  location: class SimpleScene
Main.java:38: error: method does not override or implement a method from a supertype
    @Override
    ^
Main.java:44: error: method does not override or implement a method from a supertype
    @Override
    ^
Main.java:48: error: method does not override or implement a method from a supertype
    @Override
    ^
Main.java:52: error: method does not override or implement a method from a supertype
    @Override
    ^
Main.java:63: error: cannot find symbol
        GL2 gl = drawable.getGL().getGL2();
        ^
  symbol:   class GL2
  location: class SimpleScene
Main.java:65: error: cannot find symbol
        gl.glClear(GL.GL_COLOR_BUFFER_BIT);
                   ^
  symbol:   variable GL
  location: class SimpleScene
Main.java:68: error: cannot find symbol
        gl.glBegin(GL.GL_TRIANGLES);
                   ^
  symbol:   variable GL
  location: class SimpleScene
25 errors

Standard output is empty