LCWD Logo
Learn Code With DurgeshMaster the Future
LCWD
HomeCoursesHandbooksBlogsContact
About LCWDAbout Durgesh TiwariFlex Box Game
Log InPremiumPremium
LearnCodeWithDurgesh Logo

Learn Code With Durgesh

Offering free & premium coding courses to lakhs of students via YouTube and our platform.

Explore

  • About Us
  • Courses
  • Blog
  • Contact
  • FlexBox Game

Legal

  • Privacy Policy
  • Terms & Conditions
  • Refund Policy
  • Support

Contact

  • 📞 +91-9839466732
  • [email protected]
  • Substring Technologies, 633/D/P256 B R Dubey Enclave Dhanwa Deva Road Matiyari Chinhat, Lucknow, UP, INDIA 226028
© 2026 Made with ❤️ by Substring Technologies. All rights reserved.
C

Core Java tutorial for beginners

Clean • Professional

Help others by sharing this page
 
DigitalOcean Referral Badge

Try Cloud Hosting with DigitalOcean and get $200 credit.

Claim Offer →
C

Core Java tutorial for beginners

14 topics

  • What is Java? History, Features & JDK, JRE, JVM Explained
  • Java Use Cases, Platform Independence & Bytecode Explained
  • How Java Works: Compilation to Execution Process Explained
  • Setting Up Java Environment: JDK Installation & IDE Setup (Eclipse / IntelliJ)
  • Java Development Workflow: Write, Compile & Run Your First Program
  • Understanding the Java Ecosystem – Java Overview
  • Introduction to Java – Interview Questions with Answers & Examples
  • Java Syntax & Structure – Basics for Beginners
  • Java Variables – Definition, Types, and Examples
  • Java Data Types, Type Casting & Type Promotion –
  • Java Operators – Arithmetic, Relational, Logical, Bitwise & Ternary
  • Java Comments – Types, Syntax & Best Practices
  • Java Input & Output – Using Scanner and BufferedReader
  • Java Keywords & Identifiers – Rules, Examples & Best Practices (Java Tutorial)
  • Java Fundamentals Interview Questions & Answers – Core Concepts Explained
  • Java Conditional Statements – if, if-else & switch
  • Java Loops – for, while, do-while & for-each Explained
  • Java Break & Continue Statements – Pattern Programming Examples
  • Java Strings – Methods and Immutable Nature Explained
  • Java Strings – Concatenation, Numbers & Special Characters
  • Java Strings – StringBuilder vs StringBuffer Explained
  • Java – String Formatting in Java With Examples
  • Java – Java StringJoiner & String.join() With Examples
  • Java Arrays – Introduction and Basics
  • Java Arrays – Types of Arrays Explained
  • Java Array Operations – Access, Modify & Traverse Arrays
  • Java Array Examples – Practical Examples for Beginners
  • Java Arrays - Sorting in Java with Examples
  • Java Arrays – Searching Arrays in Java (Linear & Binary Search)
  • Java Arrays – Copying Arrays in Java with Examples
  • Java Arrays – Arrays Utility Methods in Java (With Examples)
  • Java Arrays – Common Pitfalls in Java Arrays
  • Java Arrays – Arrays of Objects in Java
  • Java – Command-line Arguments in Java
  • Java – Object-Oriented Programming (OOP) in Java Overview
  • Java – Classes & Objects in Java with Examples
  • Java – Constructors in Java (Default & Parameterized with Examples)
  • Java – this and super Keywords in Java With Examples
  • Java - Encapsulation and Access Modifiers (With Real-World Examples)
  • Java - Inheritance and Its Categories (With Examples & Diagram)
  • Java - Polymorphism (Compile-time & Runtime)
  • Java - Method Overloading and Overriding (With Examples & Key Differences)
  • Java - Abstraction (Abstract Class, Abstract Method & Interface)
  • Java - Association, Aggregation, and Composition (With Real-Life Examples)
  • Java - Object Cloning & Immutable Class Design with Examples
  • Java - Static Methods & Variables (Examples, Rules)
  • Java - final Keyword in Classes, Methods, and Variables
  • Java - Object Class Methods (toString(), equals(), and hashCode() Explained)
  • Java - Deep vs Shallow Copy (Explained with Examples)
  • Java - Packages and Access Modifiers with Examples
  • Java – Creating and Importing Packages (Step-by-Step Guide)
  • Java – Static Members and Static Blocks (Explained with Examples)
  • Java - Wrapper Classes and Autoboxing/Unboxing (With Examples)
  • Java - Static Import (How to Use with Examples)
  • Java – Sub-Packages (Organizing Classes Effectively)
  • Common Java Packages – Overview, Examples & Usage
  • Java Exception – Definition, Examples & Handling
  • Types of Exceptions in Java – Checked, Unchecked & Errors Explained
  • Java Exception Handling Keywords – Try, Catch, Finally, Throw & Throws
  • Creating Custom Exceptions in Java
  • Exception Chaining in Java – Explanation with Examples
  • Multi-Catch Block in Java – Handling Multiple Exceptions in One Catch
  • Try-with-Resources in Java – Automatic Resource Management Explained
  • Stack Trace & Logging Exceptions in Java (With Examples)
  • Java Memory & Execution Model – Overview (JVM, Stack, Heap, Garbage Collection)
  • Stack & Heap Memory in Java – Understanding JVM Memory Structure
  • Garbage Collection in Java – Automatic Memory Management Explained
  • JVM Architecture – Components, Working, and Execution Model Explained
  • Class Loading Process & JIT Compiler in Java – How JVM Loads & Executes Code
  • Memory Leaks in Java – Causes, Detection & Prevention
  • Finalization in Java – How finalize() Works with GC
  • Types of References in Java – Strong, Weak, Soft & Phantom
  • File Handling in Java: Types, Streams, I/O, NIO
  • Text File I/O in Java – Reading & Writing Using Character Streams
  • Binary File I/O in Java Using FileInputStream and FileOutputStream
  • Java NIO and NIO.2 Explained with Examples
  • Serialization & Deserialization in Java (With Examples)
  • Object Serialization Interfaces in Java Explained with Examples
  • Object Serialization in Java – Using transient and serialVersionUID
  • File Class Methods in Java (java.io.File) Explained with Examples
  • Object Streams in Java (ObjectInputStream & ObjectOutputStream) Explained
  • Introduction to Java Collections: List, Set, Map & Core Interfaces
  • Java Collection Hierarchy – List, Set, Map & Interfaces Explained
  • ArrayList in Java – Features, Methods, Internal Working & Examples
  • LinkedList in Java – Features, Internals, Methods & Examples
  • Vector in Java – Features, Methods, Synchronization & Examples
  • Stack in Java – LIFO, Methods, Implementation & Examples
  • HashSet in Java – Methods, Implementation & Examples
  • LinkedHashSet in Java – Implementation, Methods & Examples
  • TreeSet in Java – Sorted Set, Methods, and Examples
  • HashMap in Java – Key-Value Store, Features, Methods & Examples
  • LinkedHashMap in Java – Features, Methods & Examples
  • TreeMap in Java – Sorted Map, Methods & Examples
  • Comparable vs Comparator in Java – Differences, Examples & Usage
  • Iterator and ListIterator in Java – Usage, Differences & Examples
  • Legacy Collections in Java – Vector, Stack, Hashtable, Properties & More
  • Queue & Deque in Java – Types, Methods, and Real-World Examples
  • PriorityQueue in Java – Ordering, Methods, and Examples
  • Enum in Java – Definition, Features, Methods, and Examples
  • Enum Types in Java – Examples, Usage, and Best Practices
  • EnumSet & EnumMap in Java – Examples and Usage
  • Fail-Fast vs Fail-Safe Iterators in Java – Complete Guide with Examples
  • Generics in Java – Type Safety, Examples & Best Practices
  • ConcurrentHashMap in Java – Internal Working, Thread Safety & Examples
  • Synchronized HashMap in Java – Thread Safety, Examples & Usage
  • WeakHashMap in Java – Working, Garbage Collection, Examples & Use Cases
  • IdentityHashMap in Java – Working, Features, and Examples
  • NavigableMap in Java – Methods, Examples & TreeMap Navigation
  • NavigableSet in Java – Methods, TreeSet Implementation & Examples
  • BlockingQueue in Java – Thread-Safe Queue, Types, Methods & Examples
  • Types of BlockingQueue in Java – Examples & Usage
  • CopyOnWriteArrayList in Java – Thread-Safe List, Working & Examples
  • CopyOnWriteArraySet in Java – Thread Safety, Examples & Usage
  • ConcurrentNavigableSet in Java – Thread-Safe Sorted Set & Examples
  • ConcurrentSkipListMap in Java – Thread-Safe Sorted Map & Examples
  • ConcurrentSkipListSet in Java – Thread-Safe Sorted Set with Examples
  • ConcurrentLinkedQueue in Java – Lock-Free Queue with Examples
  • ConcurrentLinkedDeque in Java – Lock-Free Deque with Examples
  • Immutable Collections in Java 9+ – Factory Methods, Benefits & Examples
  • Legacy vs Modern Collections in Java – Differences, Examples & Usage
  • Collections Utility in Java – Methods, Sorting, Searching & Examples
  • Multithreading in Java – Concepts & Examples
  • What is Thread in Java – Process vs Thread & Thread Creation Explained
  • Thread Lifecycle in Java – All Thread States Explained with Examples
  • Thread Methods in Java – Lifecycle, State, Synchronization & Exceptions
  • Thread Priority in Java
  • Race Condition in Java
  • Synchronization in Java
  • Volatile Keyword in Java
  • Inter-Thread Communication in Java
  • Daemon Thread in Java
  • ThreadLocal Variables in Java
  • Thread Groups in Java
  • Java Concurrency API Guide for Multithreading
  • ExecutorService in Java
  • Callable and Future in Java
  • Thread Pools in Java Concurrency API with Examples
  • Task Scheduling in Java with Examples
  • Locks in Java with Examples
  • Synchronizers in Java with Examples