/** * Executes example. * * @param args Command line arguments, none required. */ public static void main(String[] args) { // Typedefs: // --------- // G -> GridFactory // CI1 -> GridInClosure // CO -> GridOutClosure // CA -> GridAbsClosure // F -> GridFunc // Data initialisation. Random rand = new Random(); final int size = 20; Collection<Integer> nums = new ArrayList<Integer>(size); // Generate list of random integers. for (int i = 0; i < size; i++) { nums.add(rand.nextInt(size)); } // Print generated list. X.println("Generated list:"); F.forEach(nums, F.<Integer>print("", " ")); // Retain all elements which value low than half generated list size. Collection<Integer> res = F.retain( nums, true, new P1<Integer>() { @Override public boolean apply(Integer i) { return i < size / 2; } }); // Print result. X.println("\nResult list:"); F.forEach(res, F.<Integer>print("", " ")); // Retain first half of result list. F.retain(res, false, res.size() / 2); // Print result. X.println("\nResult list:"); F.forEach(res, F.<Integer>print("", " ")); }
/** * Executes example. * * @param args Command line arguments, none required. */ public static void main(String[] args) { // Typedefs: // --------- // G -> GridFactory // CI1 -> GridInClosure // CO -> GridOutClosure // CA -> GridAbsClosure // F -> GridFunc // Data initialisation. Random rand = new Random(); final int size = 20; Collection<Integer> nums = new ArrayList<Integer>(size); // Generate list of random integers. for (int i = 0; i < size; i++) { nums.add(rand.nextInt(size)); } // Print generated list. X.println("Generated list:"); F.forEach(nums, F.<Integer>print("", " ")); // Get new unmodifiable collection with elements which value low than half generated list size. Collection<Integer> view = F.view( nums, new P1<Integer>() { @Override public boolean apply(Integer i) { return i < size / 2; } }); // Print result. X.println("\nResult list:"); F.forEach(view, F.<Integer>print("", " ")); // Check for read only. try { view.add(12); } catch (Exception ignored) { X.println("\nView is read only."); } }