(For beginners of Java, this is a good reference material, but please forgive me, it is not very complete. This material that I will complete as soon as possible includes the following attachments:
Java courseware\experimental commentary.txt
Java Courseware\Chapter 1 Java Language Overview.ppt
Java Courseware\Chapter 2 Basic Data Types and Arrays.ppt
Java Courseware\Chapter 3 Operators, Expressions and Sentences.ppt
Java Courseware\Chapter 4 Classes and Objects.ppt
Java Courseware\Chapter 5 Inheritance.ppt
Java Courseware\Chapter 5 Inheritance 1.ppt
Java Courseware\Chapter 5 Inheritance 2.ppt)