CODE EXAMPLE FOR JAVA

recursion java

//recursion 

void setup() {
  size(500,500);
  background(#0F0E04);
  noLoop();
  fill(#FF5500);
  circles(width/2 , height/2, 200,1.0/3);
  
}
void circles(float x , float y, float diam, float factor){
  circle(x,y,diam);
  if (diam>=3){
    //right circles
    circles(x+.5*diam,y,factor*diam,factor);
    //left circles
    circles(x-.5*diam,y,factor*diam,factor);
    
    //top circles
    circles(x,y+.5*diam,factor*diam,factor);
    //bottom circles
    circles(x,y-.5*diam,factor*diam,factor);    
  }
}