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Core Java tutorial for beginners

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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

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C

Core Java tutorial for beginners

Clean • Professional

Help others by sharing this page

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