Comp Lang Tutorials
Java Tutorial
By Xah Lee. Date:
2005-01
. Last updated:
2025-05-21
.
This Java tutorial is for beginners, example based.
Spend 10 minutes to read each item in order.
You'll be a self-sustaining Java programer.
The code here are tested with Java 1.8.0.
Java tutorial
Install
javac java jar javadoc
Jar File
File Encoding, Unicode
Java Basics
Comment
Print String
Strings
Power Function
Data Types
Function
Array
Class, Inheritance
extends
Constructor
Constructor Return Type
Extending a Class that has Explicit Constructors
static
this
super
Access Specifiers
Abstract class, Interface
abstract
Interface
Package
Package
Data structure
Collection
Map
Misc
Read File
Write File
Convert File Encoding
Complex Numbers
Number Literals
