Java Basics and HelloWorld

Notes on Java basics and HelloWorld. Create a file with the .java file name matching the class name, then compile with javac name.java and execute with java [class name].

HelloWorld.java

public class HelloWorld {
    public static void main(String[] args) {
        System.out.println("Hello, World");
    }
}

javac HelloWorld.java
java HelloWorld
# # In some cases, steps such as creating a .jar file may be involved.