Object Oriented Programming Using Java

Complete Unit-wise notes following Syllabus

Unit 1: Introduction to Java Programming

Learn the basics of Java including its history, key features, program structure, data types, operators, and control statements. Understand how the JVM works, compile and run Java programs, and explore arrays, strings, and wrapper classes.

Key Topics:

  • Evolution and History of Java
  • Features and Advantages of Java
  • Bytecode and Java Virtual Machine (JVM)
  • Java Development Kit (JDK) and Its Components
  • Structure of a Simple Java Program
  • Compiling and Interpreting Java Applications
  • Java Tokens – Character Set, Keywords, and Identifiers
  • Data Types, Operators, and Expressions in Java
  • Control Statements and Looping Constructs
  • Arrays and Strings – 1D & 2D Arrays, String Class, StringBuffer, Command Line Arguments, Wrapper Classes
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Unit 2: Classes, Objects, and Methods

Understand the core concepts of object-oriented programming including classes, objects, constructors, methods, and memory management. Learn about access modifiers, static members, inner classes, and object lifecycle in Java.

Key Topics:

  • Concept of Class and Object
  • Object References and Memory Allocation
  • Methods in Java and Method Overloading
  • Constructors and Constructor Overloading
  • Passing and Returning Objects from Methods
  • new Operator and Garbage Collection
  • this Keyword and Static Members
  • finalize() Method and Object Cleanup
  • Visibility Modifiers (public, private, protected, default)
  • Nested and Inner Classes in Java
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Unit 3:Inheritance, Polymorphism, and Interfaces

Inheritance, Polymorphism, and Interfaces in Java: Learn how Java supports code reusability and flexibility through inheritance, abstract classes, and interfaces. Understand polymorphism, dynamic method dispatch, and the use of packages and I/O streams.

Key Topics:

  • Concept and Importance of Inheritance
  • Types of Inheritance in Java
  • Member Access Rules in Inheritance
  • Use of this and super Keywords
  • Abstract Classes and Methods
  • Polymorphism and Dynamic Method Dispatch
  • final Keyword – Uses in Methods, Variables, and Classes
  • Packages – Creating, Defining, and Importing Packages
  • Interfaces – Defining, Implementing, and Extending Interfaces
  • I/O Streams – Concept, Stream Classes (Byte and Character), Console Input and Output
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Unit 4: Exception Handling, Multithreading, and GUI (AWT & Event Handling)

Inheritance, Polymorphism, and Interfaces in Java: Learn how Java supports code reusability and flexibility through inheritance, abstract classes, and interfaces. Understand polymorphism, dynamic method dispatch, and the use of packages and I/O streams.

Key Topics:

  • Concept and Importance of Inheritance
  • Types of Inheritance in Java
  • Member Access Rules in Inheritance
  • Use of this and super Keywords
  • Abstract Classes and Methods
  • Polymorphism and Dynamic Method Dispatch
  • final Keyword – Uses in Methods, Variables, and Classes
  • Packages – Creating, Defining, and Importing Packages
  • Interfaces – Defining, Implementing, and Extending Interfaces
  • I/O Streams – Concept, Stream Classes (Byte and Character), Console Input and Output
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