Core Java

Object-Oriented Programming (OOP) concepts and features

Introduction to Java & Java features

Java Bytecode and execution model

Java Class Libraries

Primitive Data Types: Integers, Floating-point types, Characters, Booleans

Java Literals (Integer, Floating Point, Boolean, Character, String)

Variables and Data Type Declaration

Type Conversion, Type Casting, and Automatic Type Promotion in Expressions

Operators: Arithmetic, Modulus, Increment/Decrement, Bitwise, Relational, Boolean Logical, and Operator Precedence

Control Statements: Selection statements (if, switch), Iteration statements (for, while, do-while), and Jump statements (break, continue, return)

Arrays: 1D and 2D Array implementation and manipulation

Class fundamentals and declaring objects

Reference variables and method basics

Constructors and the this keyword

Garbage Collection and the finalize() method

Overloading methods and constructors

Passing objects as parameters & Recursion

Access Control (public, private, protected, default)

The static keyword, Nested Classes, Command-Line Arguments, and Variable-Length Arguments (Varargs)

Inheritance basics and using the super keyword

Method overriding and Dynamic Method Dispatch (Runtime Polymorphism)

Abstract Classes and the final keyword

Creating and importing packages

Defining, implementing, and extending interfaces

String constructors, length, and special string operations

String literals, concatenation, character extraction, string comparison, searching, and case modification

Data conversion and joining strings

StringBuffer Class: Constructors, methods (length(), capacity(), ensureCapacity(), setLength(), charAt(), setCharAt(), getChars(), append(), insert(), reverse(), delete(), deleteCharAt(), replace(), substring())

Exception handling fundamentals and exception types

Uncaught exceptions, try and catch blocks, multiple catch clauses, and nested try statements

Using throw, throws, finally, and Java’s built-in exceptions

Creating custom exceptions, Chained Exceptions, and Assertions

JDBC Drivers overview & Driver Manager Class

Connection Interface, Statement Interface, and ResultSet Interface

Executing SQL queries through Java

Introduction to Swings, JFrame, JApplet, and JPanel

Components in Swing & Layout Managers (SpringLayout, BoxLayout, etc.)

Advanced Swing Controls: JList, JScrollPane, JSplitPane, JTabbedPane, JTree, JTable

The Java Thread Model and the Main Thread

Creating threads, thread priorities, and checking thread status (isAlive(), join())

Synchronization and Inter-thread Communication