Java-Collection-Framework-and-Java-Set/ConcurrentSkipListSet1.java at main · AvinandanBose/Java-Collection-Framework-and-Java-Set · GitHub

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package ConcurrentSkipListSet;

import java.util.Comparator;

import java.util.Iterator;

import java.util.Spliterator;

import java.util.concurrent.ConcurrentSkipListSet;

public class ConcurrentSkipListSet1 {

public static void main(String[] args) {

ConcurrentSkipListSet<Float> set = new ConcurrentSkipListSet<>();

// Add

set.add(1.09f);

set.add(2.89f);

set.add(3.90f);

set.add(4.98f);

System.out.println(set);

// ceiling

System.out.println(set.ceiling(1.09f));

// floor

System.out.println(set.floor(2.89f));

ConcurrentSkipListSet<Float> set1 = new ConcurrentSkipListSet<>();

set1.add(1.09f);

set1.add(2.89f);

set1.add(3.90f);

set1.add(4.98f);

// clear

set.clear();

System.out.println(set);

// clone

ConcurrentSkipListSet<Float> clonedset = new ConcurrentSkipListSet<>();

clonedset = (ConcurrentSkipListSet<Float>) set1.clone();

System.out.println(clonedset);

// comparator

ConcurrentSkipListSet<Float> set2 = new ConcurrentSkipListSet<>(new ConcurrentSkipListSetComparator());

ConcurrentSkipListSet<Float> set3 = new ConcurrentSkipListSet<>(new ConcurrentSkipListSetComparator());

set2.add(10.58f);

set2.add(20.78f);

set2.add(30.65f);

set2.add(10.47f);

set2.add(50.98f);

set2.add(60.65f);

set3.add(10.55f);

set3.add(20.78f);

set3.add(34.65f);

set3.add(45.78f);

set3.add(57.98f);

set3.add(99.65f);

System.out.println(set2.comparator().compare(99.65f, 10.58f));

System.out.println(set2.comparator().compare(20.78f, 20.78f));

// contains

System.out.println(set1.contains(1.09f));

// descendingIterator

Iterator<Float> iterator = set1.descendingIterator();

while (iterator.hasNext()) {

System.out.println(iterator.next());

}

// descendingSet

System.out.println(set1.descendingSet());

System.out.println(set1.descendingSet().descendingSet());

System.out.println(set1.descendingSet().descendingSet().descendingSet());

// equals

System.out.println(set1.equals(set2));

// first

System.out.println(set1.first());

// headSet

System.out.println(set1.headSet(2.89f));

System.out.println(set1.headSet(2.89f, true));

System.out.println(set1.headSet(2.89f, false));

// higher

System.out.println(set1.higher(2.89f));

// isEmpty

System.out.println(set1.isEmpty());

System.out.println(set.isEmpty());

// last

System.out.println(set1.last());

// lower

System.out.println(set1.lower(2.89f));

// pollFirst

System.out.println(set1.pollFirst());

// pollLast

System.out.println(set1.pollLast());

// remove

set1.remove(1.09f);

System.out.println(set1);

// removeAll

clonedset.removeAll(set1);

System.out.println(clonedset);

// size

System.out.println(set1.size());

// spliterator

set1.spliterator().forEachRemaining((Float s) -> {

System.out.println(s);

});

System.out.println(set1.spliterator().estimateSize());

System.out.println(set1.spliterator().getExactSizeIfKnown());

System.out.println(set1.spliterator().hasCharacteristics(Spliterator.CONCURRENT));

//....And it runs all functions of Spliterator interface

// subSet

set1.add(4.98f);

System.out.println(set1.subSet(2.89f, 4.98f));

System.out.println(set1.subSet(2.89f,true ,4.98f, true));

//tailset

System.out.println(set1.tailSet(2.89f));

System.out.println(set1.tailSet(2.89f, true));

System.out.println(set1.tailSet(2.89f, false));

}

// comparator

class ConcurrentSkipListSetComparator implements Comparator<Float> {

public int compare(Float obj1, Float obj2) {

if (((Float) obj1).equals((Float) obj2)) {

return -1;

}

// using compareTo() to ensure

return obj2.compareTo(obj2);

}

Java-Collection-Framework-and-Java-Set/ConcurrentSkipListSet1.java at main · AvinandanBose/Java-Collection-Framework-and-Java-Set · GitHub

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