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📌Now we start some basics of Java 📌

1. Introduction to Java:
- Java is a high-level, object-oriented programming language.
- It was developed by James Gosling and released by Sun Microsystems in 1995.

2. Platform Independence:
- Java is platform-independent, meaning you can write code on one platform (e.g., Windows) and run it on another (e.g., Linux) without modification.

3. Object-Oriented:
- Java is an object-oriented language, which means it revolves around objects and classes.
- Objects are instances of classes, and classes define the blueprint for objects.

4. Syntax:
- Java syntax is similar to C and C++, making it relatively easy for developers from those languages to transition to Java.
- Java code is typically written in .java files and compiled into .class files.

5. Main Method:
- Every Java application starts with a public static void main(String[] args) method, which is the entry point for the program.

6. Data Types:
- Java has primitive data types (int, float, boolean, etc.) and reference data types (objects).
- Primitive data types store simple values, while reference data types store references to objects.

7. Control Structures:
- Java supports common control structures like if-else statements, loops (for, while, do-while), and switch statements.

8. Classes and Objects:
- Classes are blueprints for objects. They define the structure and behavior of objects.
- Objects are instances of classes. You create objects to work with data and methods defined in a class.

9. Inheritance:
- Java supports inheritance, allowing one class (subclass or child class) to inherit properties and methods from another class (superclass or parent class).

10. Polymorphism:
- Polymorphism enables objects of different classes to be treated as objects of a common superclass.
- It's achieved through method overriding and interfaces.

11. Encapsulation:
- Encapsulation is the practice of bundling data (attributes) and methods (functions) that operate on the data into a single unit called a class.
- It helps protect data and restrict access to it.

12. Abstraction:
- Abstraction is the concept of hiding complex implementation details and showing only the necessary features of an object.
- Abstract classes and interfaces are used for abstraction.

13. Exception Handling:
- Java has a robust exception handling mechanism to deal with runtime errors.
- The try, catch, finally, and throw keywords are used for exception handling.

14. Packages:
- Packages are used to organize classes and avoid naming conflicts.
- Java's standard library is organized into packages (e.g., java.util, java.io).

15. Memory Management:
- Java has an automatic garbage collection system that deallocates memory occupied by objects no longer in use.

16. Standard Library:
- Java provides a vast standard library for common tasks like I/O, networking, and data manipulation.

17. Development Tools:
- Popular Java development tools include the Java Development Kit (JDK), Integrated Development Environments (IDEs) like Eclipse and IntelliJ IDEA, and build tools like Maven and Gradle.

These are some fundamental concepts to get you started with Java programming. As you delve deeper into Java, you'll explore more advanced topics and libraries tailored to your specific development needs.

Java-handwritten-Notes.pdf

lecture 1.pdf

lecture 2.pdf

lecture 3.pdf

lecture 4.pdf

lecture 5.pdf

lecture 6.pdf

lecture 7.pdf

javanotes5.pdf

JavaNotesForProfessionals (4).pdf

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