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Canvas canvas;
Cir cir = new Cir();
Rec rec = new Rec();
Tri tri = new Tri();
 
void setup(){
  canvas.addFigure(cir);
}
 
void draw(){
}
 
class Canvas{
  int x,y;
  ArrayList<Figure> fig;
  Canvas(int xpos, int ypos){
    x = xpos;
    y = ypos;
  }
 
  void addFigure(Figure f){
    fig.add(f);
  }
 
  void display(){
    for(Figure f:fig){
      f.display();
    }
  }
}
 
class Cir extends Figure{
  Cir(){
  }
  boolean overPeriphery(){
    return true;
  }
  void clicked(){
  }
  void display(){
  }
}

Main.java:1: class, interface, or enum expected
Canvas canvas;
^
Main.java:2: class, interface, or enum expected
Cir cir = new Cir();
^
Main.java:3: class, interface, or enum expected
Rec rec = new Rec();
^
Main.java:4: class, interface, or enum expected
Tri tri = new Tri();
^
Main.java:6: class, interface, or enum expected
void setup(){
^
Main.java:8: class, interface, or enum expected
}
^
6 errors

Standard output is empty