🧩 Part 1/12

✔ What are Variables in Java?
✔ Declaring and Initializing Variables
✔ Variable Naming Conventions
✔ What are Data Types in Java?
✔ Primitive Data Types
✔ Reference Data Types
✔ What are Operators in Java?
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🧩 Part 2/12

✔ What are Control Statements in Java?
✔ Types of Control Statements in Java
✔ Selection Statements
✔ Iteration Statements
✔ Jump Statements
✔ Java Conditionals: if-else and switch-case
✔ The if-else Statement
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🧩 Part 3/12

✔ What is Object-Oriented Programming?
✔ Java Classes and Objects
✔ Creating and Using Classes
✔ Constructors and Methods
✔ Access Modifiers and Encapsulation
✔ Java Inheritance and Polymorphism
✔ Extending Classes and Overriding Methods
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🧩 Part 4/12

✔ What is Object-Oriented Programming?
✔ What is Polymorphism in Java?
✔ Types of Polymorphism
✔ Examples of Polymorphism
✔ What is Abstraction in Java?
✔ Abstract Classes and Methods
✔ Examples of Abstraction
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🧩 Part 6/12

✔ The Try-Catch Block
✔ How to Use the Try-Catch Block
✔ How to Handle Multiple Exceptions
✔ How to Handle Nested Try-Catch Blocks
✔ The Throw Statement
✔ How to Throw an Exception
✔ How to Create Custom Exceptions
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🧩 Part 5/12

✔ Java Lists: ArrayList, LinkedList, and Vector
✔ ArrayList vs LinkedList vs Vector
✔ How to Create, Iterate, and Modify Lists in Java
✔ Java Sets: HashSet, LinkedHashSet, and TreeSet
✔ HashSet vs LinkedHashSet vs TreeSet
✔ How to Create, Iterate, and Modify Sets in Java
✔ Java Maps: HashMap, LinkedHashMap, and TreeMap
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🧩 Part 7/12

✔ Java Input/Output Basics
✔ Byte Streams and Character Streams
✔ Buffered and Unbuffered Streams
✔ Standard Streams and Console
✔ Java Readers and Writers
✔ FileReader and FileWriter
✔ BufferedReader and BufferedWriter
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🧩 Part 8/12

✔ Creating Threads in Java
✔ Extending the Thread Class
✔ Implementing the Runnable Interface
✔ Managing Threads in Java
✔ Thread Lifecycle and States
✔ Thread Priority and Scheduling
✔ Thread Interruption and Joining
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🧩 Part 9/12

✔ Java Sockets
✔ Socket Programming Basics
✔ TCP and UDP Sockets
✔ Client-Server Communication
✔ Java URL
✔ URL Class and Methods
✔ Reading Data from a URL
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🧩 Part 10/12

✔ What is Java Database Connectivity (JDBC)?
✔ How to Set Up JDBC in Your Project
✔ How to Connect to a Database Using JDBC
✔ What is SQL and How to Use It in Java
✔ How to Perform CRUD Operations Using JDBC and SQL
✔ Best Practices for JDBC Programming
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🧩 Part 11/12

✔ What is Java Testing?
✔ JUnit: The Most Popular Java Testing Framework
✔ What is JUnit?
✔ How to Use JUnit?
✔ JUnit Annotations and Assertions
✔ Mockito: The Best Java Mocking Framework
✔ What is Mockito?
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🧩 Part 12/12

✔ Java Code Style
✔ Naming Conventions
✔ Formatting and Indentation
✔ Comments and Javadoc
✔ Java Documentation
✔ Why Document Your Code?
✔ How to Write Effective Documentation
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🧩 Part 11/12

✔ What is Java Testing?
✔ JUnit: The Most Popular Java Testing Framework
✔ What is JUnit?
✔ How to Use JUnit?
✔ JUnit Annotations and Assertions
✔ Mockito: The Best Java Mocking Framework
✔ What is Mockito?
...

🧩 Part 12/12

✔ Java Code Style
✔ Naming Conventions
✔ Formatting and Indentation
✔ Comments and Javadoc
✔ Java Documentation
✔ Why Document Your Code?
✔ How to Write Effective Documentation
...