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🧠 Object Oriented Programming II (Java)

This repository contains my coursework, lab implementations, and practice programs for Object Oriented Concepts II (OOP-II) using Java, based on the official Software Engineering syllabus.

This course focuses on advanced object-oriented design, composition, design principles, concurrency, enterprise Java, and real-world software architecture.

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📘 Course Information

• Course Title: Object Oriented Concepts II
• Credits: 2 Credit Theory + 1 Credit Lab
• Language: Java

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🧩 Review of Core OOP Concepts

A structured revision of fundamental OOP concepts with deeper design perspective:

• Objects: Data & Behavior
• Classes, Attributes, and Methods
• 🔒 Encapsulation & Data Hiding
• 🧬 Inheritance (Superclasses & Subclasses)
• 🧠 Abstraction and Is-A Relationship
• 🔁 Polymorphism
• 🔗 Composition and Has-A Relationship

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🧱 Mastering Composition & Object Modeling

• Composition vs Inheritance
• Aggregation and Association
• Cardinality and Dependency Management
• UML Representation of Composition
• Building Objects in Phases
• Avoiding Tight Coupling

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📐 UML & Object Model Design

• Class Diagrams
• Attributes and Methods
• Access Modifiers
• Interfaces
• Inheritance Hierarchies
• Aggregation, Association & Cardinality

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💾 Objects & Portable Data

• Portable Data Concepts
• XML Fundamentals
• XML vs HTML
• XML with Object-Oriented Languages
• DTD (Document Type Definition)
• XML Validation
• CSS with XML

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🗄️ Object Persistence

• Basics of Persistence
• Flat File Storage
• XML-based Serialization
• Writing Objects to Relational Databases

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🌐 Objects & Distributed Systems

🔹 Internet & Enterprise Objects

• Object-Based Scripting Languages
• Objects in Web Pages
• Distributed Objects
• Enterprise Applications

🔹 Client / Server Architecture

• Client-Server Approaches
• Proprietary vs Non-Proprietary Systems

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🧠 Object Oriented Design Principles (SOLID)

• Single Responsibility Principle (SRP)
• Open/Closed Principle (OCP)
• Liskov Substitution Principle (LSP)
• Interface Segregation Principle (ISP)
• Dependency Inversion Principle (DIP)

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🧩 Component-Based Design

• Component-Based Architecture
• Design Patterns (Introduction)
• Code Smells and Refactoring Concepts

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☕ Advanced Java Programming

🔹 Generics

• Generic Classes and Methods
• Wildcards
• Type Safety

🔹 Collection Framework

• Collection Interfaces
• List & SortedList
• Set, SortedSet & NavigableSet
• Map, SortedMap & NavigableMap
• Queue, Deque & Stack
• hashCode() and equals()
• Comparator vs Comparable

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🔍 Reflection & Dynamic Behavior

• Class Class
• java.lang.reflect Package
• Accessing Fields and Methods
• Reflection with Exception Handling
• Dynamic Programming Concepts

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⚙️ Multi-Threaded Programming

• Java Thread Model
• Creating & Running Threads
• Thread Pools
• Thread Synchronization
• wait(), notify()
• join() and sleep()
• Java Concurrency API

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🖥️ User Interface Programming (Swing)

• Swing Components
• Containers
• Event Handling
• Layout Managers
• SwingWorker

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📦 Serialization

• Serializable Interface
• Writing & Reading Objects
• Customized Serialization
• Controlling Serialization
• Exception Handling

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🌐 Network Programming

🔹 Socket Programming

• Client & Server Model
• Ports & Protocols
• I/O-based Communication
• ServerSocket Class
• URL and URLConnection

🔹 Java Servlet Programming

• Servlet Life Cycle
• HttpServlet
• HttpRequest & HttpResponse
• RequestDispatcher
• HttpSession & ServletContext
• Cookies & Filters
• HTTP Headers & MIME Types

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☕ JavaBeans API

• Introspector
• PropertyDescriptor
• EventSetDescriptor
• MethodDescriptor

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📂 Repository Structure (Example)

oop-ii-java/
│── composition/
│── uml-modeling/
│── solid-principles/
│── generics/
│── collections/
│── multithreading/
│── reflection/
│── serialization/
│── socket-programming/
│── servlets/
│── swing-ui/
│── design-patterns/

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🎯 Learning Objectives

By completing this course, I aim to:

• Design scalable and maintainable object-oriented systems
• Apply SOLID principles effectively
• Build multi-threaded and distributed Java applications
• Understand enterprise-level Java architecture
• Think like a software designer, not just a programmer

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📚 References

1. The Object Oriented Thought Process — Matt Weisfeld
2. Java How to Program — Deitel & Deitel
3. Java: The Complete Reference — Herbert Schildt
4. Head First Java — Kathy Sierra & Bert Bates

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👤 Author

A.S.M. Morshed Software Engineering Institute of Information Technology (IIT) Noakhali Science and Technology University

OOP • Java • Software Design

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