i am having an error about : unexpected token void. i ve been looking for hours in search of the problem. here is my code

 

 

// creating orbitsPlanets objects

 

orbitPlanets Mercury;      
orbitPlanets Venus;
orbitPlanets Earth;
orbitPlanets Mars;
orbitPlanets Jupiter;
orbitPlanets Saturn;
orbitPlanets Uranus;
orbitPlanets Neptune;
orbitPlanets Pluto;

 

 

 void setup()
  {
   
      size(640,600,P3D);      // size
 
      AssignPlanetObjects();   // declaring and assigning new objects
 
  }

void draw()
{

  sunDraw();
  planetsUpdate();
  planetsDisplay();

}

 

 

/* Drawing sun*/

 

 

 public void sunDraw()
  {
   
  pushMatrix();
 
  translate(width/2,height/2);
  stroke(0);
  fill(249,250,3);
  ellipse(0,0,20,20);
 
 
  popMatrix();
 
  }
 
  /* function updating the planets's attributes*/

 

 

 public void planetsUpdate()
 {
   Mercury.update();
   Venus.update();
   Earth.update();
   Mars.update()
   Jupiter.update();
   Saturn.update();
   Uranus.update();
   Neptune.update();
   Pluto.update();
  }

  
  /* function that displays the movement of planets*/

  
 public void planetsDisplay()
  {
   
   Mercury.Display();
   Venus.Display();
   Earth.Display();
   Mars.Display();
   Jupiter.Display();
   Saturn.Display();
   Uranus.Display();
   Neptune.Display();   
   Pluto.Display();
   
  }

  
  /* Function that declares and assigns new object*/

  
  public void AssignPlanetObjects()
  {
   
  Mercury = new orbitPlanets(60.0,30.0,0.0);   
  Venus = new orbitPlanets(64.0,50.0,177.0);
  Earth = new orbitPlanets(70.0,56.0,23.5);
  Mars = new orbitPlanets(73.0,46.0,25.0);
  Jupiter = new orbitPlanets(86.0,150.0,3.0);
  Saturn = new orbitPlanets(96.0,130.0,27.0);
  Uranus = new orbitPlanets(160.0,122.0,98.0);
  Neptune = new orbitPlanets(230.0,198.0,30.0);
  Pluto = new orbitPlanets(280.0,20.0,118.0);
   
  }
 
 

==============================================================================

 

/* orbitingPlanets class*/

 

 

 

public class OrbitPlanets
{
 
 
 private float R;             // property classes
 private float d;
 private float acceleration;
 private float velocity;
 private float tilt;
 private float theta;
 private  float w = 0.8;
 private float t = 2;
 private float angle = 0;
 
  public OrbitPlanets(float distanceFromSun,float diameter,float t) // constructor
  {
   
               R = distanceFromSun;
               d = diameter;
    acceleration = 0.0
        velocity = 0.0
            tilt = t;
           theta = 0;
   
  }
 
  public void update()
  {
   
    // increment angle for x-axis rotation of the planets
   
    angle += (frameCount*2);
   
    // increment theta for circular motion

   theta += (w*t);
   
    // centripetal acceleration
   
    acceleration += (R * sqrt(w));
   
    // velocity
   
    velocity += (R * w);
   
  }
 
  public void display()
 
  {

    // rotate planets around x-axis
   
    rotateX(radians(angle));
   
    // rotate the planet at a tilt degree
   
    rotate(radians(tilt));
   
    // before rotation and translation, the state of the matrix is saved using pushMatrix() and popMatrix()
   
   
    pushMatrix();
   
    // orbit
   
    rotate(radians(theta));
   
    // translate out distance
   
    translate(R,0);
   
    // change height of the camera with mouseY
   
    camera(30.0, mouseY, 220.0, // eyeX, eyeY, eyeZ
         0.0, 0.0, 0.0, // centerX, centerY, centerZ
         0.0, 1.0, 0.0); // upX, upY, upZ
   
    fill(255);
   
    ellipse(0,0,diameter,diameter);   // drawing ellipse
    
    popMatrix();
   
   }
  
 }