Java Language - Introductory Materials

List of language introductory materials:

Hello World!

Simplest program that is often used to introduce new language is called "Hello World!" and it just displays text "Hello World!", for Java can be implemented as follows:

// hello.java 
class HelloWorldApp {
    public static void main(String[] args) {
        System.out.println("Hello World!"); 
    }
}

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Language tutorials

Tutorial materials introducing language step by step:

Naming conventions

FAQs

Reference sites

Materials related to language and virtual machine:

Sites describing Java APIs:

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