While loop || Java 2021Complete Java Master Class Zero to Hero Programming || Udemy Course

✓ Introduction to Variable Arguments

✓ Understanding Object Composition and Inheritance

✓ Java Abstract Class and Interfaces. Introduction to Polymorphism.

✓ Java Collections - List Interface(ArrayList, LinkedList and Vector), Set Interface (HashSet, LinkedHashSet)

✓ Map Interface (HashMap, HashTable, LinkedHashMap and TreeMap() - Compare, Contrast and Choose

✓ Generics - Why do we need Generics? Restrictions with extends and Generic Methods, WildCards - Upper Bound and Lower Bound.

✓ Method References - static and instance methods

✓ Introduction to Threads and MultiThreading - Need for Threads

✓ Implementing Threads - Extending Thread Class and Implementing Runnable Interface

✓ States of a Thread and Communication between Threads

✓ Introduction to Executor Service - Customizing the number of Active Threads. Returning a Future, invokeAll, and invokeAny

✓ Introduction to Exception Handling - Your Thought Process during Exception Handling. try, catch, and finally. Exception Hierarchy - Checked Exceptions vs Unchecked Exceptions. Throwing an Exception.. Try with Resources - New Feature in Java 8.

✓ List files and folders in Directory with Files list method, File walk method and find methods. Read and write from a File.

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