/** * Factory method. * * @return new empty group */ public static BlocksGroup empty() { return new BlocksGroup(); }
BlocksGroup intersection = new BlocksGroup(); List<Block> list1 = group1.blocks; List<Block> list2 = group2.blocks;
/** * Factory method. * * @return new empty group */ public static BlocksGroup empty() { return new BlocksGroup(); }
BlocksGroup intersection = new BlocksGroup(); List<Block> list1 = group1.blocks; List<Block> list2 = group2.blocks;