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This is a complete in-depth core Java Tutorial for beginners. This core Java Tutorial contains the links of all the tutorials in a systematic order starting from the beginner’s level to the advanced topics.
The source code examples from this up-to-date tutorial are developed using JDK 8 or later and are well tested in our local development environment. This tutorial contains more than 300 + articles with source code examples.
YouTube Video - JDK, JRE and JVM
Java programs for beginners at https://www.javaguides.net/p/java-programs-for-beginners.html
Getting Started
Java Language Basics
- Variables in Java
- Java main() Method
- Java Access Modifiers
- Arithmetic Operators
- Bitwise Operators
- Equality, Relational, and Conditional Operators
- Primitive Data Types in Java
- Java if Statement
- Java Switch Case Statement
- Java for Loop
- Java while Loop
- Java do while Loop
- Java continue Statement
- Java break Statement
Java Array Tutorial
Java Object-Oriented Programming
- What Is Object in Java with Programming Examples
- What is Class in Java with Programming Examples
- What are All the Different Ways to Create an Object in Java?
- java.lang.Object Class methods with Examples
- Java Interface
- Java Abstract Class
- Abstraction in Java with Example
- Encapsulation in Java with Example
- Inheritance in Java with Example
- Polymorphism in Java with Example
- Composition in Java with Example
- Aggregation in Java with Example
- Association in Java with Example
- Cohesion in Java with Example
- Coupling in Java with Example
- Delegation in Java with Example
- Oops Concepts in Java
- How to Make Immutable Class in Java
- Packages in Java with Examples
- Overloading Constructors in Java with Examples
- Method Overloading in Java with Examples
- Nested Classes in Java
Learn more about Object Oriented Design on Java Oops Tutorial
Wrapper Classes Tutorial
String Handling Tutorial
- Java String Class API Tutorial
- Java StringBuffer Class API Tutorial
- Java StringBuilder Class API Tutorial
- Guide to Java String Constant Pool
- Guide to String Best Practices in Java (Best Practice)
- String Special Operations with Examples
- String Comparison Methods with Examples
- String Methods for Character Extraction
- String Searching Methods with Examples
- String Modifying Methods with Examples
To know in-depth about String, StringBuilder, and StringBuffer on Java String Handling Tutorial
Exception Handling Tutorial
- Java Exception Handling Guide
- How the Exception Handling Works in Java
- Three Types of Exceptions in Java
- Exceptions Hierarchy in Java
- Java Chained Exceptions
- java.lang.Throwable Class in Java
- Exception Handling Keywords in Java
- Java try/catch Block
- Java throw Keyword
- Java throws Keyword
- Java finally Block
- The try-with-resources Statement
- Advantages of Java Exceptions
- Java Exception Handling Best Practices
To know in-depth about an exception handling on Java Exception Handling Tutorial
Collection Framework Tutorial
- Collections Framework in Java
- Collections Framework - The Collection Interface
- Collections Framework - The Set Interface
- Collections Framework - The SortedSet Interface
- Collections Framework - The List Interface
- Collections Framework - The Queue Interface
- Collections Framework - The Deque Interface
- Collections Framework - The Map Interface
- Collections Framework - The SortedMap Interface
- Collections Framework - ArrayList Class
- Collections Framework - LinkedList Class
- Collections Framework - CopyOnWriteArrayList
- Collections Framework - HashSet Class
- Collections Framework - LinkedHashSet Class
- Collections Framework - TreeSet Class
- Collections Framework - CopyOnWriteArraySet
- Collections Framework - EnumSet
- Collections Framework - HashMap Class
- Collections Framework - LinkedHashMap Class
- Collections Framework - TreeMap class
- Collections Framework - EnumMap
- Collections Framework - WeakHashMap
- Collections Framework - IdentityHashMap
Learn more about Java Collections on Java Collections Tutorial
Java Generics Tutorial
- Java Generics - Generics Basics
- Java Generics - Benefits of Generics
- Java Generics - Generic Types
- Java Generics - Generic Methods in Java
- Java Generics - Bounded Type Parameters
- Java Generics - Wildcards
- Java Generic Methods Examples
- Java Generic Interface Examples
- Java Generic Class Examples
- Java Generics Multiple Type Parameters Example
Java Input/Output Tutorials
- Create File
- Write File
- Delete File
- Copy File
- Move File
- Rename File
- Append to File
- Read File using BufferReader
- Read File using BufferInputStream
- Read File using DataInputStream
- Get File Size in Bytes KB MB GB TB
- How to write an Object to file in Java
- How to Read Object from File
- Compress Files in ZIP format in Java
- Decompress Files from a ZIP file in Java
- Get the current working directory
- Create a directory
- Delete directory
- Copy directory
- Traverse /List a directory structure
- Check if the directory is empty
To know in-depth about File handling on Java I/O Tutorial
Java Multithreading Tutorial
- How to Create and Start a Thread in Java
- Java Thread Sleep Example
- Java Thread Join Example
- Java Thread Set Name Example
- Java Thread interrupt Example
- Java Thread Priority Example
- Java Thread isAlive Example
- ThreadGroup class in Java
- Thread Class in Java
- Runnable Interface in Java
- Synchronization in Multithreading Java
- ThreadLocal class in Java
To know in-depth about Java multi-threading on Java Multithreading Tutorial
Java Reflection Tutorial
Serialization in Java
- Guide to Serialization in Java
- Java Transient Keyword
- Guide to the understanding of serialVersionUID
- Secure Coding Standards for Java Serialization
Java Annotations
- Java @Override Annotation
- Java @SafeVarargs Annotation
- Java @Deprecated Annotation
- Java @SuppressWarnings Annotation
- Java @FunctionalInterface Annotation
- All Java Built-In Annotations Examples
Java Language Keywords
Check out all 50 keywords in the Java programming language.:- abstract Java Keyword
- assert Java Keyword
- boolean Java Keyword
- break Java Keyword
- byte Java Keyword
- case Java Keyword
- catch Java Keyword
- char Java Keyword
- class Java Keyword
- continue Java Keyword
- default Java Keyword
- do Java Keyword
- double Java Keyword
- else Java Keyword
- enum Java Keyword
- extends Java Keyword
- final Java Keyword
- finally Java Keyword
- float Java Keyword
- for Java Keyword
- if Java Keyword
- implements Java Keyword
- import Java Keyword
- instanceof Java Keyword
- int Java Keyword
- interface Java Keyword
- long Java Keyword
- native Java Keyword
- new Java Keyword
- package Java Keyword
- private Java Keyword
- protected Java Keyword
- public Java Keyword
- return Java Keyword
- short Java Keyword
- static Java Keyword
- strictfp Java Keyword
- super Java Keyword
- switch Java Keyword
- synchronized Java Keyword
- this Java Keyword
- throw Java Keyword
- throws Java Keyword
- transient Java Keyword
- try Java Keyword
- void Java Keyword
- volatile Java Keyword
- while Java Keyword
- goto Java Keyword
- const Java Keyword
Java best practices
- Java Enums and Annotations Best Practices
- Java Generics Best Practices
- JUnit Framework Best Practices
- Single Responsibility Principle
- Liskov's Substitution Principle
- Interface Segregation Principle
- Dependency Inversion Principle
- Open Closed Principle
- Oops principles in java
- Restful API Best Practices
- JSP Best Practices
- JDBC Best Practices
- Collection Best Practices
- String Best Practices in Java
- Exception Handling Best Practices
- Synchronization Best Practices
- Guide to JDBC Best Practices
- Serialization Best Practices
Java Swing (GUI) Tutorials
- Java Swing Hello World Example Tutorial
- Java Swing Application with Database Connection
- Login Application using Java Swing + JDBC + MySQL Example Tutorial
- Registration Form using Java Swing + JDBC + MySQL Example Tutorial
- Java Swing Exit Button
- Swing ToolTip Tutorial with Example
- Java Swing BorderLayout Example
- Java Swing GridLayout Tutorial with Examples
- Swing Mouse Move Events using MouseMotionAdapter
- Java Swing CheckBox Example
- Java Swing Radio Button Example
- Java Swing Progress Bar Example
- Java Swing Combo Box Example
- Java Swing Slider Example
- Java Swing Toggle Button Example
JavaFX Tutorials
- JavaFX Hello World Example Tutorial
- Registration Form Using JavaFX with MySQL Database
- Login Form Using JavaFX with MySQL Database
Java Programs (For Practices and interviews)
- String Programs in Java with Output
- Java Program to Count Number of Duplicate Words in String
- Java Program to Count Number of Words in Given String
- Java Program to Count the Number of Occurrences of Substring in a String
- Java Program to Count the Occurrences of Each Character in String
- Java Program to Merge two String Arrays
- Java Program to Remove Duplicate Words from String
- Java Program to Reverse a String(5 ways)
- Java Program to Reverse Each Word of a String
- Java Program to Swap Two Strings
- How to Check if the String Contains only Digits
- How to Check if the String Contains only Letters
- How to Check If the String Contains Only Letters or Digits
- Java Program to Check if Input String is Palindrome
- Java Program to Find all Permutations of String
- Java Program to Remove Duplicate Elements in an Array
- Java Program to Find Largest Element in an Array
- Java Program to Reverse an Array Without Using Another Array
- Java Program to Check the Equality of Two Arrays
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