Module 2 Theory

Module - 2

Create a wiki page for each heading.

Java Fundamentals

• Declarations and Access Controls
• Declare Classes
• Declare Interfaces
• Declare Class Members
• Constructors, Deconstructors
• Access Modifiers (Public, Private, Protected)
• Initialization Blocks
• Arrays, Enums
• Naming Conventions

OOPs

• Encapsulation
• Inheritance
• Polymorphism
• Overriding/Overloading

Operators

• Instanceof
• Conditional
• Logical
• Arithmetic

Control Flow Statements

• For Loop
• Enhanced For Loop
• While Loop
• Switch
• Do Loop
• Continue/Break
• Labelled/Unlabelled Statements

Exceptions

• Using Try-Catch and Try-with-Resource
• Finally
• Exception Hierarchy
• Creating a custom Exception

Strings

• String, StringBuilder and StringBuffer.
• String manipulation and various methods on String class.
• String and Memory

Dates

• Working with Dates, TimeZone
• Date Parsing, Conversion

Wrapper Classes

• Using Wrapper Classes.
• Creating Wrapper Objects.
• Autoboxing
• Wrapper Objects Conversion

Garbage Collection

• Java Memory Management Overview

Collections and Generics

• HashCode and Equals methods.
• Collections classes.
• Comparator and Comparable interfaces.
• Collections Sorting
• Generics

File IO

• Understanding of various File related classes
• Read/Write Files
• Various IO Stream Classes and their usages.
• Class Hierarchy of various File IO classes.

Java Stream API

• Lambda Expressions
• Functional Interfaces
• SupplierConsumer and BiConsumer
• Predicate and BiPredicate
• Function and BiFunction
• UnaryOperator and BinaryOperator
• Using Java Streams with Collections.

Serialization

• ObjectOutputStream and ObjectInputStream.
• Object Graphs.
• Using writeObject and readObject.

Inner Classes

• Regular Inner Classes
• Method-Local Inner Class
• Anonymous Inner Class
• Static Inner Class

Threads

• Creating Threads and starting.
• Thread States.
• Sleep, notify, notifyAll, yield, join methods.
• Synchronization.
• Locks.
• Thread Interaction.