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
Tag: Set interface
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
Java – Adding one HashSet to another HashSet using addAll() method
In this article, we will add one HashSet contents to another HashSet using addAll method of Collection interface 1. Adding one HashSet to another HashSet Read More
Java – Comparing two HashSet objects using containsAll() method
In this article, we will compare 2 HashSet contents using containsAll method of Collection interface Collection‘s containsAll() method is used to check whether one Set Read More
Java – How to check whether particular element is present in HashSet ?
In this article, we will discuss an example on how to search, whether particular element present in HashSet or NOT 1. Searching element from HashSet Read More
Java – retainAll() method explanation with HashSet
In this article, we will discuss retainAll() method of Collection interface with HashSet boolean retainAll(Collection c); remove/deletes all element/objects of invoking collection except specified collection Read More
Java – How to delete an element and delete all elements of HashSet ?
In this article, we will discuss an example on how to delete a particular element and later deleting all elements of HashSet 1. HashSet : Read More
Java – How to get size or length of HashSet ?
In this article, we will discuss how to find size or length of HashSet 1. HashSet : We can use, size() method of Collection interface to Read More
Java – Collections a utility class for Collection
In this article, we will discuss Collections class – a utility class for Collection framework which has useful methods for below operations like, Sorting Searching Reverse the Read More
Java – HashMap v/s HashSet
In this article, we will discuss difference between HashMap and HashSet classes in detail i.e.; HashMap v/s HashSet 1. HashMap v/s HashSet: HashMap HashSet HashMap implements Read More
Java – HashSet v/s LinkedHashSet v/s TreeSet
In this article, we will compare important implementation classes of Set i.e.; HashSet v/s LinkedHashSet v/s TreeSet So let’s us discuss in tabular format; 1. Read More
Java – List v/s Set
In this article, we will discuss difference between List and Set in detail i.e.; List v/s Set. Both interfaces directly extends Collection interface 1. List v/s Read More
Java – TreeSet class with example
In this article, we will discuss TreeSet class – the implementation class for NavigableSet interface in detail 1. Key points about TreeSet: TreeSet doesn’t allow duplicate Read More
Java 6 – NavigableSet interface with example
In this article, we will discuss NavigableSet interface with all its important methods for navigation support in detail 1. Key points about NavigableSet: NavigableSet doesn’t Read More
Java – SortedSet interface
In this article, we will discuss SortedSet interface with all its important methods in detail 1. Key points about SortedSet: SortedSet doesn’t allow duplicate items Read More
Java – HashSet v/s LinkedHashSet
In this article, we will discuss difference between HashSet and LinkedHashSet classes in detail i.e.; HashSet v/s LinkedHashSet 1. HashSet v/s LinkedHashSet: HashSet LinkedHashSet Uses hashtable Read More
Java – LinkedHashSet class with examples
In this article, we will discuss LinkedHashSet class – one of the Set implemented classes in detail 1. Key points about LinkedHashSet: LinkedHashSet is exactly same Read More