reached end of file while parsing- using bluej

Im completely new to programming and am trying to figure out where I went wrong on this project. the project is to write the code to draw this. I did it with the visual bench mark but cannot figure it out

Attachment 1764

Code:

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public class Picture
{
    private Square square1;
    private Square square2;
    private Circle circle1;
    private Circle circle2;
    private Circle circle3;
    private Circle circle4;
    private Triangle triangle1;
    private Triangle triangle2;

   
}


    public class Square
{
    private int size;
    private int xPosition;
    private int yPosition;
    private String color;
    private boolean isVisible;

    /**
 * create a new square with arbitrary field values.
 */
public class Square {

 {
    size= theSize;
    xPosition= xPosition;
    yPosition= yPosition;
    color= theColor;
    if (theVisibility)
    makeVisible();
    else
    makeInvisible();
}
public int square1()
{
  theSize(200);
xPosition(50);
yPosition(55);
Color("black");
  isVisible(true);

}
private square square2()
{
    theSize(180);
    xPosition(60);
    yPosition(65);
Color("white");
    isVisible(true); 
} 
   
public class triangle
{
    private int size;
    private int xPosition;
    private int yPosition;
    private String color;
    private boolean isVisible;
}
    public int Triangle();
      {
        int height = height;
        int width = width;
        int xPosition = xPosition;
        int yPosition = yPosition;
        string color = color;
        int isVisible =(true);
    }
 
  Triangle triangle1;
  {
      height(110);
      width(80);
      xPosition(145);
      yPosition(90);
      color("black");
      isVisible(true);
      draw();
     
    }
  Triangle triangle2;
  {
      height(100);
      width(70);
      xPosition(145);
      yPosition(96);
      color("white");
      isVisible(true);
    }
       

 

 public int Circle()
 {

    int diameter;
    int xPosition;
    int yPosition;
    String color;
    boolean isVisible;
}
private circle circle1;
{
    diameter(150);
    xPosition(70);
    yPosition(80);
    color("black");
    boolean isVisible;
}
 private circle circle2;
{
    diameter(140);
    xPosition(75);
    yPosition(85);
    color("white");
    boolean isVisible;
}private circle circle3;
{
    diameter(40);
    xPosition(125);
    yPosition(150);
    color("black");
    boolean isVisible;
}
private circle circle4;
{
  diameter(30);
  xPosition(130);
  yPosition(155);
  color("white");
  boolean isVisible;
}

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Count your curly brackets and see if they all match.

kind regards,

Jos