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Author: AvinandanBose

LinkedHashSet1.java

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+package LinkedHashSet;
+import java.util.Iterator;
+import java.util.LinkedHashSet;
+import java.util.Spliterator;
+ public class LinkedHashSet1 {
+    public static void main(String[] args) {
+        LinkedHashSet<String> lhs = new LinkedHashSet<>();
+        LinkedHashSet<String> lhs1 = new LinkedHashSet<>();
+        LinkedHashSet<String> clonedset = new LinkedHashSet<>();
+
+       
+        lhs.add("A");
+        lhs.add("B");
+        lhs.add("C");
+        lhs.add("D");
+        lhs.add("E");
+        lhs.add("F");
+        lhs.add("G");
+        lhs.add("H");
+        lhs.add("I");
+        lhs.add("J");
+        lhs.add("K");
+        lhs.add("L");
+        lhs.add("M");
+        lhs.add("N");
+        lhs.add("O");
+        lhs.add("P");
+        lhs.add("Q");
+        lhs.add("R");
+        lhs.add("S");
+        lhs.add("T");
+        lhs.add("U");
+        lhs.add("V");
+        lhs.add("W");
+        lhs.add("X");
+        lhs.add("Y");
+        lhs.add("Z");
+
+
+        lhs1.add("A");
+        lhs1.add("B");
+        lhs1.add("C");
+        lhs1.add("D");
+        lhs1.add("E");
+        lhs1.add("F");
+        lhs1.add("G");
+        lhs1.add("H");
+        lhs1.add("I");
+        lhs1.add("J");
+        lhs1.add("K");
+        lhs1.add("L");
+        lhs1.add("M");
+        lhs1.add("N");
+        lhs1.add("O");
+        lhs1.add("P");
+        lhs1.add("Q");
+        lhs1.add("R");
+        lhs1.add("S");
+        lhs1.add("T");
+        lhs1.add("U");
+        lhs1.add("V");
+        lhs1.add("W");
+        lhs1.add("X");
+        lhs1.add("Y");
+        lhs1.add("Z");
+        System.out.println(lhs);
+        lhs.remove("A");
+        System.out.println(lhs);
+        lhs.clear();
+
+        clonedset = (LinkedHashSet<String>) lhs1.clone();
+        System.out.println(clonedset);
+
+        System.out.println(" ");
+        Iterator<String> iterator = lhs1.iterator();
+        while (iterator.hasNext()) {
+            System.out.println(iterator.next());
+        }
+
+        System.out.println(" ");
+        lhs1.iterator().forEachRemaining(System.out::println);
+        System.out.println(" ");
+        lhs1.iterator().forEachRemaining((String s) -> {
+            System.out.println(s);
+        });
+
+
+        System.out.println(" ");
+
+        try {
+            Iterator<String> iterator1 = lhs1.iterator();
+            Iterator<String> iterator2 = clonedset.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 = lhs1.iterator();
+            String s = "";
+            while (iterator3.hasNext()) {
+                s = iterator3.next();
+                if (s.equals("Q")) {
+                    iterator3.remove();
+                }
+            }
+            System.out.println(lhs1);
+        }
+        catch (Exception e) {
+            System.out.println("Exception");
+
+        }
+
+        lhs1.addAll(clonedset);
+        System.out.println(lhs1);
+
+        System.out.println(" ");
+
+        clonedset.retainAll(lhs1);
+        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 = lhs1.contains("B");
+
+        System.out.println(b);
+
+        System.out.println(" ");
+        System.out.println(lhs1.size());
+
+        System.out.println(" ");
+
+        boolean c = lhs1.isEmpty();
+        System.out.println(c);
+
+        System.out.println(" ");
+
+        // java.util.AbstractCollection
+
+        Boolean d = lhs1.containsAll(clonedset);
+
+        System.out.println(d);
+
+        // java.util.AbstractSet
+
+        System.out.println(" ");
+
+        LinkedHashSet<String> lhs2 = new LinkedHashSet<>();
+
+        lhs2.add("A");
+        lhs2.add("a");
+        lhs2.removeAll(lhs1);
+        System.out.println(lhs2);
+
+        // java.util.Collection
+
+        lhs1.removeIf(str -> str.contains("B"));
+
+        System.out.println(" ");
+        System.out.println(lhs1);
+
+        System.out.println(" ");
+        lhs1.stream().forEach(s -> System.out.println(s));
+
+        System.out.println(" ");
+        lhs1.parallelStream().forEach(s -> System.out.println(s));
+
+        System.out.println(" ");
+        Object[] arr = lhs1.toArray();
+        for (Object o : arr) {
+            System.out.println(o);
+        }
+
+
+
+    }
+    
+}

LinkedHashSetDemo.java

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+package LinkedHashSet;
+
+import java.util.LinkedHashSet;
+import java.util.HashSet;
+public class LinkedHashSetDemo {
+    public static void main(String[] args){
+        HashSet<String> lsh = new LinkedHashSet<>();
+        lsh.add("A");
+        System.out.println("LinkedHashSet: " + lsh);
+    }
+    
+}