PongProcessing1Tester

void setup() {
  size(640, 480);

  Block one = new Block();
  System.out.println(one);

  Block two = new Block(50, 50, 30, 30);
  System.out.println(two);

  Block three = new Block(350, 350, 15, 15, color(255, 0, 0));
  System.out.println(three);

  Block four = new Block(450, 50, 20, 60, color(0, 255, 0));
  System.out.println(four);

  System.out.println(one.equals(two));
  System.out.println(one.equals(one));
}

void draw() {
  background(255);
  Block one = new Block();
  one.display();

  Block two = new Block(50, 50, 30, 30);
  two.display();

  Block three = new Block(350, 350, 15, 15, color(255, 0, 0));
  three.display();

  Block four = new Block(450, 50, 20, 60, color(0, 255, 0));
  four.display();

  //add more test cases as necessary
}