Java from Basics to Advanced

Fundamentals:

• Classes

• Object

• Constructor etc.

• 4 pillars

  • Inheritance

  • Polymorphism

  • Abstraction

  • Encapsulation

Basic Overview of Java:

• Procedural vs OOPs

• What is Java and what makes it Platform Independent

• JDK vs JRE vs JVM

• Installation

• Setting Class path Environment Variables

Going One Level Deep:

• Writing First Java Program

• Understanding Classes, different types and Objects

  • Abstract Classes

  • Inner Classes etc.

• Understanding Variables

  • Static Variables

  • Final Variables

  • Primitive Variables

  • Object references

  • Cover Big decimal vs Double

  • Understanding about String

    • String Pool

    • String Immutability

• Access Specifiers

• Type Casting

  • Implicit Type Casting

  • Explicit Type Casting

• Understanding Method and Different Types

  • Cover Return Type

  • Cover static method

  • Method parameters

  • Pass by value vs pass by reference

  • Overloading etc.

• How does Memory Management Happens in Java

  • Understand about heap and stack memory

• Garbage Collector

• Understand Constructor

  • Private Constructor

  • Default Constructor

  • Parametrized Constructor

  • Constructor vs Method

• Files and Directories in Java

  • Read and Write from File using Scanners

• Understanding Package and import

• Understand POJOs etc.…..
  

  Operators:

• Arithmetic Operator

• Relational Operator

• Short Circuit Operator

• Assignment Operator

• Logical Operator

• Ternary Operator

• Bitwise Operator

• Enums and its advanced usage
  

     Control Flow Statements:

• If Statement

• If Else Statement

• If Else Ladder

• Switch Statement and when to use

• For Loop

• While Loop

• Do While Loop

• Break Statement

• Continue Statement

Multithreading and Concurrency:

ThreadPool Executors and Concurrency in Depth

Exception Handling:

• Handling of Compile Time and

• Handling of Run time errors

• Checked and unchecked exception

Generic Programming in Java:

  Understand how to write generic classes and methods in java, and when to use

Java Collections:

• List:

  • Array List

  • LinkedList

  • Stack

• Queue:

  • Priority Queue

  • Dequeue

• Set:

  • HashSet

  • Tree Set

  • LinkedHashSet

• Map:

  • Tree Map

  • HashMap etc.

Java 8 Features:

• Functional Interface

• Lambda Expression

• Stream APIs

• Predicates

• ForEach method

• Default and static method in interface

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