package com.provinggrounds.match3things.game;

import java.util.Collection;
import java.util.HashSet;

public class MatchingSet {
    private int blockType;
    private Collection<Coord> coordinates;

    int length() {
	return coordinates.size();
    }

    public int getBlockType() {
        return blockType;
    }

    public void setBlockType(int blockType) {
        this.blockType = blockType;
    }

    public Collection<Coord> getCoordinates() {
        return coordinates;
    }

    public void setCoordinates(Collection<Coord> coordinates) {
        this.coordinates = coordinates;
    }
}

@@ -162,33 +162,23 @@
 private 
-Collection%3C
 Coord
-%3E
+%5B%5D
  coordin
@@ -227,14 +227,14 @@
 tes.
-size()
+length
 ;%0A  
@@ -403,33 +403,23 @@
  public 
-Collection%3C
 Coord
-%3E
+%5B%5D
  getCoor
@@ -500,25 +500,15 @@
 tes(
-Collection%3C
 Coord
-%3E
+%5B%5D
  coo

Make coordinates an array of Coord objects