Roadmap To Learn Java Programming

Yuvaraj
2 min readMar 16, 2023

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Roadmap For Java Developer
Java Roadmap for Beginners
  1. Java Basics
  • Variables and data types
  • Operators and expressions
  • Control flow statements (if-else, switch, loops)

2. Object-Oriented Programming (OOP)

  • Classes and objects
  • Inheritance
  • Polymorphism
  • Abstraction
  • Encapsulation
  • Super Keyword | This Keyword | Final Keyword
  • Association, Composition, and Aggregation

3. Java Data Types and Operators:

  • Arrays
  • Strings
  • Wrapper classes
  • Type casting and conversions
  • Arithmetic, relational, logical, and bitwise operators

4. Exception Handling

  • Handling exceptions using try-catch blocks
  • Throwing and catching exceptions
  • Custom exceptions

5. Input and Output (I/O) Operations

  • Reading from and writing to files
  • File handling operations
  • Serialization and deserialization

6. Interfaces & Packages

  • Interfaces | Packages
  • Nested Interface | Marker Interface
  • Abstract Classes

7. Generics

  • Introduction to generics
  • Generic classes and methods
  • Type parameter bounds and wildcards

8. Collections Framework

  • ArrayList, LinkedList, HashSet, TreeSet
  • HashMap, TreeMap
  • Queue, Stack
  • Iterators and ListIterators

9. Multithreading

  • Introduction to threads
  • Creating and running threads
  • Thread synchronization
  • Thread communication

10. Java I/O and Networking

  • Input and output stream
  • Readers and Writers
  • Socket programming
  • URL handling

11. Java Database Connectivity (JDBC)

  • Connecting to databases
  • Executing SQL queries
  • Working with result sets
  • Handling transactions

Click Here: To learn complete core Java (beginner’s level)

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