Add files via upload

Author: AvinandanBose

copyonwritearrayset1.java

@@ -0,0 +1,124 @@
+package CopyOnWriteArraySet;
+
+import java.util.Iterator;
+import java.util.concurrent.CopyOnWriteArraySet;
+
+public class copyonwritearrayset1 {
+    public static void main(String[] args) {
+        CopyOnWriteArraySet<Integer> set = new CopyOnWriteArraySet<>();
+        CopyOnWriteArraySet<Integer> set1 = new CopyOnWriteArraySet<>();
+        CopyOnWriteArraySet<Integer> set2 = new CopyOnWriteArraySet<>();
+        // Add -1
+        set.add(1);
+        set.add(2);
+        set.add(3);
+        set.add(4);
+        System.out.println(set);
+
+        // AddAll - 2
+        set1.addAll(set);
+        set2.addAll(set);
+        System.out.println(set1);
+        System.out.println(set2);
+
+        // Remove - 10
+        set.remove(1);
+        System.out.println(set);
+
+        // RemoveAll - 11
+        set1.removeAll(set);
+        System.out.println(set1);
+
+        // Clear - 3
+
+        set1.clear();
+        System.out.println(set1);
+
+        // Contains - 4
+        System.out.println(set.contains(2));
+
+        // ContainsAll - 5
+        System.out.println(set.containsAll(set1));
+
+        // IsEmpty - 8
+        System.out.println(set1.isEmpty());
+
+        // Size - 14
+        System.out.println(set.size());
+        System.out.println(set1.size());
+        System.out.println(set2.size());
+
+        // ToArray -16
+        Object[] arr = set.toArray();
+        for (Object i : arr) {
+            System.out.println(i);
+        }
+
+        for (int i = 0; i < set.size(); i++) {
+            System.out.println(arr[i]);
+        }
+
+        // Iterator - 9
+        Iterator<Integer> iterator = set2.iterator();
+        while (iterator.hasNext()) {
+            System.out.println(iterator.next());
+        }
+
+        set.add(1);
+        System.out.println(" Iterator CompareTo");
+        // CompareTo
+        try {
+            Iterator<Integer> iterator1 = set.iterator();
+            Iterator<Integer> iterator2 = set2.iterator();
+            while (iterator1.hasNext() && iterator2.hasNext()) {
+                int comparison = iterator2.next().compareTo(iterator1.next());
+                System.out.println(comparison);
+            }
+        } catch (Exception e) {
+            System.out.println("Exception");
+
+        }
+
+        // stream
+
+        set.stream().forEach(System.out::println);
+        set.stream().forEach((Integer i) -> {
+            System.out.println(i);
+        });
+
+        // parallelStream
+
+        set.parallelStream().forEach(System.out::println);
+        set.parallelStream().forEach((Integer i) -> {
+            System.out.println(i);
+        });
+
+        // removeIf - 12
+
+        set.removeIf(i -> i == 1);
+        System.out.println(set);
+
+        //Spliterator - 15
+        set.spliterator().forEachRemaining(System.out::println);
+        set.spliterator().forEachRemaining((Integer i) -> {
+            System.out.println(i);
+        });
+
+        //RetainAll- 13
+        set.retainAll(set2);
+        System.out.println(set);
+
+        //equals - 6
+        Boolean b = set.equals(set2);
+        System.out.println(b);
+
+        //foreach - 7
+        set.forEach(System.out::println);
+
+        set.forEach((Integer i) -> {
+            System.out.println(i);
+        });
+
+
+    }
+}