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Author: AvinandanBose

TreeSetDemo.java

@@ -1,3 +1,144 @@
+package TreeSet;
+import java.util.TreeSet;
+import java.util.Iterator;
+import java.util.Spliterator;
 public class TreeSetDemo {
+    public static void main(String[] args) {
+        TreeSet<String> set = new TreeSet<>();
+        TreeSet<String> set1 = new TreeSet<>();
+        TreeSet<String> clonedset = new TreeSet<>();
+        TreeSet<Integer> treeSet = new TreeSet<>();
+        TreeSet<Integer> treeSet1 = new TreeSet<>();
+        set.add("A");
+        set.add("a");
+        set.add("B");
+        set.add("b");
+        set1.add("B");
+        set1.add("b");
+        set1.add("C");
+        set1.add("c");
+
+        treeSet.add(2);
+        treeSet1.add(1);
+
+        System.out.println(set);
+        set.remove("A");
+        System.out.println(set);
+        set.clear();
+        System.out.println(set);
+        System.out.println(" ");
+        clonedset = (TreeSet<String>) set1.clone();
+        System.out.println(clonedset);
+        System.out.println(" ");
+        Iterator<String> iterator = set1.iterator();
+        while (iterator.hasNext()) {
+            System.out.println(iterator.next());
+        }
+        System.out.println(" ");
+        set1.iterator().forEachRemaining(System.out::println);
+        System.out.println(" ");
+        set1.iterator().forEachRemaining((String s) -> {
+            System.out.println(s);
+        });
+
+        System.out.println(" ");
+        
+ 
+        try {
+            Iterator<Integer> iterator1 = treeSet.iterator();
+            Iterator<Integer> iterator2 = treeSet1.iterator();
+            while (iterator1.hasNext() && iterator2.hasNext()) {
+                int comparison = iterator1.next().compareTo(iterator2.next());
+                System.out.println(comparison);
+            }
+        }
+
+        catch (Exception e) {
+            System.out.println("Exception");
+
+        }
+
+        try {
+            Iterator<String> iterator3 = set1.iterator();
+            String s = "";
+            while (iterator3.hasNext()) {
+                s = iterator3.next();
+                if (s.equals("c")) {
+                    iterator3.remove();
+                }
+            }
+            System.out.println(set1);
+        }
+
+        catch (Exception e) {
+            System.out.println("Exception");
+
+        }
+        set1.addAll(clonedset);
+        System.out.println(set1);
+
+        System.out.println(" ");
+
+        clonedset.retainAll(set1);
+        System.out.println(clonedset);
+
+        System.out.println(" ");
+        
+        Spliterator<String> numbers = clonedset.spliterator();
+        numbers.forEachRemaining((n) -> System.out.println("Letters:" + n));
+
+        System.out.println(" ");
+        Boolean b = set1.contains("B");
+
+        System.out.println(b);
+
+        System.out.println(" ");
+        System.out.println(set1.size());
+
+        System.out.println(" ");
+
+        boolean c = set1.isEmpty();
+        System.out.println(c);
+
+        System.out.println(" ");
+
+        // java.util.AbstractCollection
+
+        Boolean d = set1.containsAll(clonedset);
+
+        System.out.println(d);
+
+        // java.util.AbstractSet
+
+        System.out.println(" ");
+
+        TreeSet<String> set3 = new TreeSet<>();
+
+        set3.add("A");
+        set3.add("a");
+        set1.removeAll(set3);
+        System.out.println(set1);
+
+        //java.util.Collection
+
+        set1.removeIf(str -> str.contains("B"));
+
+        System.out.println(" ");
+        System.out.println(set1);
+
+        System.out.println(" ");
+        set1.stream().forEach(s -> System.out.println(s));
+
+        System.out.println(" ");
+        set1.parallelStream().forEach(s -> System.out.println(s));
+
+        System.out.println(" ");
+        Object[] arr = set1.toArray();
+        for (Object o : arr) {
+            System.out.println(o);
+        }
+
+    
+    }
 
 }