Core Java

Concepts Covered

Introduction to Java:

History of Java

Features of Java

Java Virtual Machine (JVM)

Java Development Kit (JDK)

Logical Programming:

Data types

Variables and Constants

Operators

Control flow statements (if, switch, loops)

Nested Loops

Logical Coding

Pattern Programming

Arrays and Strings

Object-Oriented Programming (OOP):

Classes and Objects

Inheritance

Polymorphism

Encapsulation

Abstraction

Interfaces

Packages and Access Modifiers

Exception Handling:

Handling exceptions with try-catch blocks

Custom exceptions

Exception hierarchy

File I/O:

Reading and writing files

Streams

File handling classes

Collections Framework:

Lists, Sets, and Maps

ArrayList, LinkedList, HashSet, HashMap, etc.

Iterators

Sorting and searching

Multithreading:

Creating and managing threads

Synchronization

Thread safety

Concurrency utilities

Java 8 Features (JDK 8):

Lambdas and functional interfaces.

Streams API.

Default and static methods in interfaces.

New Date and Time API (java.time package).

Method references.

Optional class.

Stream API enhancements.

I/O Streams:

Byte and Character Streams

Array and Buffered Streams

Console streams

Serialization

Annotations:

Creating custom annotations.

Built-in annotations like @Override, @Deprecated, @SuppressWarnings.

Garbage Collection:

Automatic memory management

Generics:

Type safety and type parameters.

Generic classes and methods.

Enumerations:

Defining and using enums

Design Patterns:

Common software design patterns

Java GUI (Swing):

Creating graphical user interfaces.

Event handling.