Overview and Features of Java Programming

Language

Architecture Of Java

JDK, JVM, JRE overview

Discussion on Source Code and Bytecode

“Hello World” on JAVA

Editors and Eclipse IDE

Data types and Variables

Keywords in JAVA

Common Operators in JAVA

Primitive Datatypes

Introduction to Strings datatype

Datatypes Casting – Widening & Narrowing

Conversions

For, While loops

Switch case and if blocks

Basic Programs using the learned concepts

Methods, & Classes overview

Discussion on industry standards

Method Structure Declaration

Method calls type and return type.

Method Parameters Scope

Static methods and Intro to static keyword

Packages and Static imports

Intro to Arrays

Properties and functionality of an array

Strings Methods and Properties

Basic Programs on Strings and Arrays

Mutable and Immutable Strings

String Buffer and String Builder

Command-line arguments using args[]

Overview

Need and Benefits of OOP

Pillars of OOPs

“new” Keyword

Discussion on HEAP memory and Garbage

Collector

Constructors

Super and This Keyword

“static” keyword w.r.t. to OOP

Access modifiers

Setter and getters

Final keyword

Importance of Inheritance and Types of

Inheritance

Single Inheritance Multi-Level Inheritance

Hierarchical

Inheritance

Super keyword w.r.t. to Inheritance

Access modifier w.r.t. to Inheritance

Intro to Object Class Methods

Method Overloading

Method Overriding

Runtime and Compile time polymorphism

toString, equals method manual overriding

Override Annotation

Discussion for Abstraction

Abstract keyword

Difference between concrete and

abstract Methods

Interfaces

Marker Interface and its usage

Intro to Functional Interface

Lambda /Innerclasses and

Functional Interfaces

Exceptions and Errors in JAVA

Exception class Hierarchy

Try, catch and finally block

Try with Resource and Autocloseables

Throw and throws keywords

Default Exception Handler

Custom User Defined Exception Handler

Corner cases and best pratices.

Collection Interface hierarchy

ArrayList

Set

LinkedList

Traversing using Iterators

Fail-Safe and Fail-Fast Way of using Collection

Comparator and Comparable usage

Map Interface Hierarchy

HashMap

Purpose of various Collection Classes

Various File Types

Common filetype and Usage

File operations using Java

InputStream and OutputStream in Java

Read and Write Operation on a text file using

Stream

Serialization and Deserialization and best

pratices.

Parallel Processing Computation and its

Advantage

Thread in JAVA

Achieving Multi-Threading in JAVA using Thread

class and

Runnable interface

Thread Pool

Thread State and its Lifecycle

Deadlock event

Concurrency and Thread Safety

Synchronization

Volatilite keyword for visibility

Atomic Integer