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All LessonsFree Lessons (5)

Java Ecosystem

Introduction Java & it's Ecosystem Java Virtual Machine Java Flavors & Processes Java Tools & Files

Methods

Variable Argument Passing Pass by Value Pass by Reference Method Overloading

Classes

The Object Class

Anonymous and Local Classes

Abstract Classes

Interfaces

Interfaces More on Interfaces

Inheritance

Inheritance Multiple Inheritance Inheritance Gotchas

Lambda Expressions

Basics More on Lambdas

Generics

Why Generics Raw Types Generic Types Bounded Types Type Inference Erasure Bridge Methods Wildcard The Get & the Put Principle Reification

Multi-Threading

Fundamentals Thread Safety Mutexes vs Semaphores Synchronized Volatile Wait() and Notify()More on Threading

Memory Management

Memory Areas Reference Strengths Garbage Collection Memory Tuning

Collections

Collection Types Iterating in Java Summary

Exceptions

Exceptions Checked vs Unchecked Catch Block More on Exceptions

Reflection

Introduction java.lang.Class Class Modifiers Instantiation using Reflection Classloaders

Serialization

Basics More on Serialization

Miscellaneous Topics

Types Keywords Annotations Boxing Unboxing Package Strings Casting

Java in Practice

Quick Note Object Creation Using Objects Designing Classes Inheritance vs Composition Interfaces vs Abstract Classes Using Generics Enums & Annotations Method Design General Best Practices Exceptions Handling Concurrency

Patterns

Singleton Builder Cheat Sheet

The End

Practice Mock Interview

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Nested Classes

Nested Classes

This lesson explains nested classes in Java.

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1.

What are nested classes?

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