What is basic topic in Java?

[janbir]

Java is a widely-used, object-oriented programming language that has several fundamental topics essential for beginners. Here are some of the basic topics in Java:

1. Introduction to Java​

• History and Evolution: Understanding the origins and development of Java.
• Features of Java: Platform independence, object-oriented, simple, secure, etc.
• Java Environment: JDK (Java Development Kit), JRE (Java Runtime Environment), and JVM (Java Virtual Machine).
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2. Basic Syntax​

• Java Program Structure: Understanding the structure of a Java program including the main method.
• Data Types: Primitive data types (int, char, double, boolean, etc.) and non-primitive data types (arrays, strings, classes).
• Variables: Declaration, initialization, and scope of variables.
• Operators: Arithmetic, relational, logical, bitwise, assignment, and other operators.

3. Control Flow Statements​

• Conditional Statements: if, if-else, switch.
• Looping Statements: for, while, do-while loops.
• Branching Statements: break, continue, return.

4. Object-Oriented Programming (OOP) Concepts​

• Classes and Objects: Creating classes and objects, understanding the relationship between them.
• Methods: Defining and invoking methods, method overloading.
• Constructors: Default and parameterized constructors.
• Inheritance: Extending classes, the use of super keywords, method overriding.
• Polymorphism: Compile-time (method overloading) and run-time (method overriding) polymorphism.
• Encapsulation: Using access modifiers to protect data.
• Abstraction: Abstract classes and interfaces.

5. Java Libraries and APIs​

• String Handling: String class and its methods, StringBuilder, and StringBuffer.
• Collections Framework: List, Set, Map, and their implementations like ArrayList, HashSet, HashMap.
• File I/O: Reading from and writing to files using classes in the java.io package.
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6. Exception Handling​

• Types of Exceptions: Checked and unchecked exceptions.
• Try-Catch Block: Using try, catch, finally blocks.
• Throw and Throws: Throwing exceptions and declaring them.

7. Multithreading and Concurrency​

• Thread Creation: Extending Thread class or implementing Runnable interface.
• Thread Lifecycle: New, runnable, blocked, waiting, timed waiting, terminated.
• Synchronization: Managing access to shared resources.

8. Java Development Tools​

• Integrated Development Environment (IDE): Using IDEs like IntelliJ IDEA, Eclipse, NetBeans for Java development.
• Build Tools: Maven, Gradle for project management and build automation.

9. Basic GUI Programming​

• Swing and AWT: Basic components and event handling.

10. Basic Networking​

• Networking Basics: Using java.net package for network communication.

These topics form the foundation of Java programming. Mastering them will provide a strong base to explore advanced Java concepts and frameworks.
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[Urmila]

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