Java topics list for Beginners

аруш шикхаре (@arushshikhare):
Якщо ви тільки починаєте вивчати Java, дуже важливо охопити фундаментальні теми, які дадуть вам міцну основу мови. Ось вичерпний список тем Java для початківців, упорядкованих у логічній послідовності для полегшення навчання:

This guide will walk you through key Java topics that are sequentially organized for easy learning.

If you're just starting with Java, it's essential to cover fundamental topics that will give you a strong foundation in the language. Here is a comprehensive list of Java topics for beginners, organized in a logical sequence to facilitate learning:

• Introduction to Java What is Java? History of Java Features of Java Java Development Kit (JDK), Java Runtime Environment (JRE), and Java Virtual Machine (JVM) Installing JDK and setting up the environment
• Basic Syntax Writing your first Java program Understanding the structure of a Java program Comments in Java Java identifiers and keywords
• Data Types and Variables Primitive data types (int, float, double, char, boolean, etc.) Non-primitive data types (Strings, Arrays, Classes, etc.) Variables and constants Type casting and type conversion
• Operators Arithmetic operators Relational operators Logical operators Assignment operators Unary operators Ternary operators Bitwise operators
• Control Statements Conditional statements (if, if-else, switch-case) Looping statements (for, while, do-while) Break, continue, and return statements
• Arrays One-dimensional arrays Multi-dimensional arrays Array manipulation and common operations Enhanced for loop
• Strings String class and its methods String concatenation and comparison StringBuilder and StringBuffer Immutable strings
• Methods Defining and calling methods Method overloading Passing arguments and returning values Recursion
• Object-Oriented Programming (OOP) Concepts Classes and objects Constructors Instance and class variables (static variables) Instance and class methods (static methods) this keyword
• Inheritance Types of inheritance super keyword Method overriding Dynamic method dispatch Abstract classes and methods Interfaces
• Polymorphism Compile-time polymorphism (method overloading) Runtime polymorphism (method overriding) Type casting in objects
• Encapsulation Access modifiers (private, default, protected, public) Getter and setter methods
• Abstraction Abstract classes Interfaces and their use
• Packages and Access Modifiers Creating and using packages Importing packages Understanding the role of access modifiers in packages
• Exception Handling Types of exceptions Try-catch block Finally block Throwing exceptions Creating custom exceptions
• Basic Input and Output Reading input using Scanner class Writing output using System.out File I/O basics (FileReader, FileWriter, BufferedReader, BufferedWriter)
• Collections Framework Introduction to the Collections Framework List, Set, and Map interfaces Commonly used classes: ArrayList, LinkedList, HashSet, TreeSet, HashMap, TreeMap Iterating over collections (Iterator, for-each loop)
• Introduction to Java 8 Features Lambda expressions Functional interfaces Stream API Default and static methods in interfaces
• Basic Concurrency Introduction to threads and multithreading Creating and running threads Thread lifecycle Synchronization Concurrency utilities (Executors, Concurrent collections) Website - https://www.sevenmentor.com/java-course-in-nagpur