Author name: Ramesh Fadatare

Java LinkedHashSet addLast(E e) Method (Introduced in Java 21)

In Java 21, the LinkedHashSet class introduced the addLast(E e) method, allowing elements to be added as the last element of the collection. Table of Contents Introduction addLast Method Syntax Examples Adding an Element as the Last Element in LinkedHashSet Maintaining Insertion Order with addLast Real-World Use Case Use Case: Task Management System Conclusion Introduction …

Java LinkedHashSet addLast(E e) Method (Introduced in Java 21) Read More »

Java LinkedHashSet addFirst() Method (Introduced in Java 21)

In Java 21, the LinkedHashSet class introduced the addFirst() method, allowing elements to be added as the first element of the collection. Additionally, a real-world use case will be provided to illustrate the method’s practical application. Table of Contents Introduction addFirst Method Syntax Examples Adding an Element as the First Element in LinkedHashSet Maintaining Insertion …

Java LinkedHashSet addFirst() Method (Introduced in Java 21) Read More »

Java LinkedHashSet addAll() Method

The LinkedHashSet.addAll(Collection<? extends E> c) method in Java is used to add all the elements from a specified collection to the LinkedHashSet. Table of Contents Introduction addAll Method Syntax Examples Adding All Elements from Another Collection to LinkedHashSet Handling Duplicate Elements Conclusion Introduction The LinkedHashSet.addAll(Collection<? extends E> c) method is a member of the LinkedHashSet …

Java LinkedHashSet addAll() Method Read More »

Java LinkedHashSet size() Method

The LinkedHashSet.size() method in Java is used to get the number of elements present in a LinkedHashSet. Table of Contents Introduction size Method Syntax Examples Getting the Size of a LinkedHashSet Handling Empty LinkedHashSet Conclusion Introduction The LinkedHashSet.size() method is a member of the LinkedHashSet class in Java. It allows you to retrieve the number …

Java LinkedHashSet size() Method Read More »

Java LinkedHashSet remove() Method

The LinkedHashSet.remove(Object o) method in Java is used to remove a specific element from a LinkedHashSet. Table of Contents Introduction remove Method Syntax Examples Removing an Element from a LinkedHashSet Handling Removal of Non-Existent Elements Conclusion Introduction The LinkedHashSet.remove(Object o) method is a member of the LinkedHashSet class in Java. It allows you to remove …

Java LinkedHashSet remove() Method Read More »

Java LinkedHashSet iterator() Method

The LinkedHashSet.iterator() method in Java is used to obtain an iterator over the elements in a LinkedHashSet. Table of Contents Introduction iterator Method Syntax Examples Iterating Over Elements in a LinkedHashSet Removing Elements Using Iterator Conclusion Introduction The LinkedHashSet.iterator() method is a member of the LinkedHashSet class in Java. It allows you to traverse the …

Java LinkedHashSet iterator() Method Read More »

Java LinkedHashSet isEmpty() Method

The LinkedHashSet.isEmpty() method in Java is used to check if a LinkedHashSet is empty. Table of Contents Introduction isEmpty Method Syntax Examples Checking if a LinkedHashSet is Empty Checking a Non-Empty LinkedHashSet Conclusion Introduction The LinkedHashSet.isEmpty() method is a member of the LinkedHashSet class in Java. It allows you to check if a LinkedHashSet contains …

Java LinkedHashSet isEmpty() Method Read More »

Java LinkedHashSet contains() Method

The LinkedHashSet.contains() method in Java is used to check if a particular element is present in a LinkedHashSet. Table of Contents Introduction contains Method Syntax Examples Checking for Elements in a LinkedHashSet Handling Elements Not in the LinkedHashSet Conclusion Introduction The LinkedHashSet.contains() method is a member of the LinkedHashSet class in Java. It allows you …

Java LinkedHashSet contains() Method Read More »

Java LinkedHashSet clear() Method

The LinkedHashSet.clear() method in Java is used to remove all elements from a LinkedHashSet. Table of Contents Introduction clear Method Syntax Examples Clearing Elements from a LinkedHashSet Checking if the LinkedHashSet is Empty Conclusion Introduction The LinkedHashSet.clear() method is a member of the LinkedHashSet class in Java. It allows you to remove all elements from …

Java LinkedHashSet clear() Method Read More »

Java LinkedHashSet add() Method

The LinkedHashSet.add() method in Java is used to add elements to a LinkedHashSet. Table of Contents Introduction add Method Syntax Examples Adding Elements to a LinkedHashSet Handling Duplicate Elements Conclusion Introduction The LinkedHashSet.add() method is a member of the LinkedHashSet class in Java. It allows you to add elements to a LinkedHashSet. If the element …

Java LinkedHashSet add() Method Read More »

Java HashSet parallelStream() Method

The HashSet.parallelStream() method in Java is used to create a parallel Stream with the elements of the HashSet as its source. This guide will cover the method’s usage, explain how it works, and provide examples to demonstrate its functionality. Table of Contents Introduction parallelStream Method Syntax Examples Creating a Parallel Stream from a HashSet Using …

Java HashSet parallelStream() Method Read More »

Java HashSet retainAll() Method

The HashSet.retainAll() method in Java is used to retain only the elements in the HashSet that are also contained in a specified collection. This guide will cover the method’s usage, explain how it works, and provide examples to demonstrate its functionality. Table of Contents Introduction retainAll Method Syntax Examples Retaining Elements from Another Collection Retaining …

Java HashSet retainAll() Method Read More »

Java HashSet removeAll() Method

The HashSet.removeAll() method in Java is used to remove all elements in the HashSet that are also contained in a specified collection. This guide will cover the method’s usage, explain how it works, and provide examples to demonstrate its functionality. Table of Contents Introduction removeAll Method Syntax Examples Removing Elements from Another Collection Removing Elements …

Java HashSet removeAll() Method Read More »

Java HashSet containsAll() Method

The HashSet.containsAll() method in Java is used to check if the HashSet contains all elements from a specified collection. This guide will cover the method’s usage, explain how it works, and provide examples to demonstrate its functionality. Table of Contents Introduction containsAll Method Syntax Examples Checking if HashSet Contains All Elements from Another Collection Checking …

Java HashSet containsAll() Method Read More »

Java HashSet toArray() Methods

The HashSet.toArray() methods in Java are used to convert a HashSet to an array. This guide will cover the methods’ usage, explain how they work, and provide examples to demonstrate their functionality. Table of Contents Introduction toArray Method Syntax Examples Converting HashSet to Object Array Converting HashSet to Typed Array Conclusion Introduction The HashSet.toArray() methods …

Java HashSet toArray() Methods Read More »

Java HashSet spliterator() Method

The HashSet.spliterator() method in Java is used to create a Spliterator over the elements in a HashSet. This guide will cover the method’s usage, explain how it works, and provide examples to demonstrate its functionality. Table of Contents Introduction spliterator Method Syntax Examples Creating a Spliterator for a HashSet Using Spliterator to Traverse Elements Conclusion …

Java HashSet spliterator() Method Read More »

Java HashSet newHashSet() Method

The HashSet.newHashSet(int numElements) method in Java can be used to create a new, empty HashSet that is pre-allocated to handle the expected number of elements. This guide will cover the method’s usage, explain how it works, and provide examples to demonstrate its functionality. Table of Contents Introduction newHashSet Method Syntax Examples Creating a New HashSet …

Java HashSet newHashSet() Method Read More »

Java HashSet iterator() Method

The HashSet.iterator() method in Java is used to obtain an iterator over the elements in a HashSet. This guide will cover the method’s usage, explain how it works, and provide examples to demonstrate its functionality. Table of Contents Introduction iterator Method Syntax Examples Iterating Over a HashSet Removing Elements While Iterating Conclusion Introduction The HashSet.iterator() …

Java HashSet iterator() Method Read More »

Scroll to Top