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Let's Begin

Course Introduction Introduction to Collections

Lists in Java

ArrayList: Introduction ArrayList: Inserting and Retrieving Elements ArrayList: Operations ArrayList: Iteration ArrayList: Iteration using ListIterator ArrayList Sorting Understanding Comparable Interface Understanding Comparator Interface ArrayList: Exercise ArrayList: Exercise Solution Quiz: ArrayList

LinkedList in Java

LinkedList: Introduction LinkedList: Fetching and Removing

CopyOnWriteArrayList in Java

CopyOnWriteArrayList: Introduction CopyOnWriteArrayList: Internal Working CopyOnWriteArrayList: Iteration

Sets in Java

HashSet: Creation and Insertion HashSet: Operations HashSet: Iteration and Sorting HashSet: Exercise HashSet: Exercise Solution HashSet: Quiz

TreeSet in Java

TreeSet: Creation and Insertion TreeSet: Fetching and Removal TreeSet: Exercise TreeSet Exercise Solution

HashMap In Java

HashMap: Creation and Insertion HashMap: Updation and Removal HashMap: Operations HashMap: Java 8 Improvements HashMap: Internal Implementation HashMap: How to Design a Good Key HashMap: Iteration HashMap: Exercise HashMap: Exercise Solution HashMap: Quiz

TreeMap in Java

TreeMap: Creation and Insertion TreeMap: Fetching and Removal TreeMap: Sorting a TreeMap by Values TreeMap: HashMap Sorting

LinkedHashMap in Java

LinkedHashMap: Introduction LinkedHashMap: Internal Working

Additional Map Implementations

ConcurrentHashMap IdentityHashMap EnumMap

Arrays Class

Searching an Array Sorting an Array Copying an Array Arrays: Operations Quiz: Arrays

Collections Class

Finding the Min and Max element

Searching, Filing, and Copying Collection

Making Collections Unmodifiable

Making Collections thread-safe

Collections in Java/

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Making Collections thread-safe

Making Collections thread-safe

Let's discuss how collections can be made thread-safe.

We'll cover the following...

Making an ArrayList thread-safe

Most of the collections such as ArrayList, LinkedList, HashSet, HashMap, etc., are not thread-safe. If two parallel threads modify any of these collections parallelly, the user can get stale data or ...