Java 8 – Find First and Last elements in a Set or HashSet ?
In this article, we will discuss how to get First and Last elements from a Set or HashSet using Java 8 Streams API Find First Read More
Tag: HashSet
Java – How to Merge or Concatenate 2 Arrays ?
In this article, we will discuss how to merge or concatenate 2 Arrays of same type. In one of the previous article, we already discussed Read More
Java – How to make a HashSet read-only or unmodifiable ?
In this article, we will discuss how to convert a modifiable HashSet into an unmodifiable HashSet using Collections.unmodifiableSet(); method 1. Convert HashSet to Read-only: HashSet Read More
Java 8 – Convert Stream to HashSet
In this article, we will discuss how to convert Stream into a HashSet in Java 1.8 version using Stream API. Unlike List, Set neither allows Read More
Java 8 – Stream concat() method for merging elements
In this article, we will discuss Stream’s concat() method which is used to merge elements from 2 or more Streams into single Stream consisting of Read More
Java 8 – Stream collect() method with examples
In this article, we will discuss Stream’s collect() method in details with examples 1. Stream collect() method: This Stream method is a terminal operation which Read More
Java 8 – How to sort HashSet ?
In this article, we will discuss how to sort HashSet in Java 8. Already, in one of the earlier article we discussed about HashSet Sorting in Read More
Java – How to Sort HashSet in 2 ways ?
In this article, we will discuss how to sort HashSet in 2 ways. Already, in one of the earlier article we discussed about HashSet sorting Read More
Java 8 – Various ways to remove duplicate elements from Arrays
In this article, we will discuss various ways to remove duplicate elements from Arrays in Java i.e.; Ways to remove duplicate elements from Arrays: Using Read More
Java – Remove duplicate elements from ArrayList
In this article, we will discuss how to remove duplicate elements from ArrayList in Java Already, we have discussed in one of the earlier article Read More
Java 5 – CopyOnWriteArraySet v/s SynchronizedSet
In this article, we will discuss difference between CopyOnWriteArraySet and SynchronizedSet classes in detail i.e.; CopyOnWriteArraySet v/s SynchronizedSet Lets us move on and discuss key differences Read More
Java 5 – CopyOnWriteArraySet v/s HashSet
In this article, we will discuss difference between CopyOnWriteArraySet and HashSet classes in detail i.e.; CopyOnWriteArraySet v/s HashSet Lets us move on and discuss key differences Read More
Java 5 – CopyOnWriteArraySet class with example
In this article, we will discuss CopyOnWriteArraySet class – the implementation class for Set interface in detail This is the thread-safe version of Set and Read More
Java – Sorting HashSet in Ascending and Descending order
In this article, we will discuss how to sort HashSet contents in ascending as well as descending order Sorting HashSet in Ascending and Descending order: Read More
Java – Conversion of Arrays to HashSet
In this article, we will discuss how to convert Arrays into Set 1. Conversion of Arrays into List using asList() method : We can use Read More
Java – Conversion of HashSet to Arrays
In this article, we will discuss how to convert HashSet into Arrays using Collection’s toArray() method Conversion of HashSet into Arrays using toArrays() method : Read More
Java – Conversion of ArrayList into HashSet to remove duplicate elements
In this article, we will discuss how to remove duplicate elements from ArrayList Q) How to convert ArrayList to HashSet ? use inter-conversion collection constructor Read More
Java – How to reverse LinkedHashSet contents ?
In this article, we will discuss how to reverse the contents of LinkedHashSet Key points about LinkedList: LinkedHashSet maintains insertion-order It uses doubly-linked list and Read More
Java 8 – Iterating Set using forEach() method
In one of the previous article, we have discussed various ways to iterate through Set Various ways to iterate through Set: Enhanced for-loop (introduced in Read More
Java – Iterate through HashSet in 3 ways
In this article, we will discuss various ways to iterate through HashSet – 3 ways Different ways to iterate through HashSet: Enhanced for-loop introduced in Read More