sun.setName("Sun");
sun.setSize(50);
sun.setStartColor(new Vector4f(100,100,100,100));
sun.setEndColor(new Vector4f(200,200,200,200));
Planet merkury = new Planet();
merkury.setId(1);
merkury.setName("Merkury");
Planet venus = new Planet();
venus.setId(2);
venus.setName("Venus");
Planet earth = new Planet();
earth.setId(3);
earth.setName("Earth");
Planet mars = new Planet();
mars.setId(4);
mars.setName("Mars");
Planet jupiter = new Planet();
jupiter.setId(5);
jupiter.setName("Jupiter");
Set<Planet> planets = new HashSet<Planet>();
planets.add(merkury);
planets.add(venus);
planets.add(earth);