Introduction to Collections

• Overview of the Java Collections Framework
• Understanding the benefits of using collections
• Differentiating between collections and arrays

Collection Interfaces

• List, Set, and Queue interfaces
• Understanding the characteristics and usage scenarios of each interface
• Common methods and operations provided by the interfaces

List Implementations

• ArrayList: Dynamic array-based implementation
• LinkedList: Doubly-linked list implementation
• Comparing performance, usage, and trade-offs for various List implementations

Set Implementations

• HashSet: Hash-based implementation
• TreeSet: Sorted set implementation
• LinkedHashSet: Ordered set implementation
• Comparing characteristics and use cases of each set implementation

Queue and Deque Implementations

• LinkedList: Queue and Deque operations
• PriorityQueue: Priority-based queue implementation
• ArrayDeque: Array-based double-ended queue implementation

Map Interface and Implementations

• HashMap: Hash-based key-value pair implementation
• TreeMap: Sorted map implementation
• LinkedHashMap: Ordered map implementation
• Understanding key-value mappings and their usage scenarios

Iterators and Iteration Techniques

• Using iterators to traverse and manipulate collections
• Enhancing iteration with the for-each loop
• Iteration techniques and best practices

Sorting and Searching

• Implementing the Comparable and Comparator interfaces
• Sorting collections using natural order and custom comparators
• Searching collections using binary search algorithms

Collections Utility Class

• Methods provided by the Collections class
• Sorting, searching, shuffling, and other operations on collections

Synchronization and Thread Safety

• Understanding the thread safety of collection classes
• Synchronizing collections for concurrent access
• Concurrent collections and their usage

Collection Performance and Best Practices

• Choosing the appropriate collection for specific use cases
• Performance considerations when working with large data sets
• Best practices for efficient and effective collection usage

Streams and Functional Programming

• Stream API and its integration with collections
• Functional programming techniques with collections and streams
• Using collectors for aggregating and reducing collection elements