【笔记】Eclipse and Java for Total Beginners—001

    偶然搜到Mark Dexter的这个免费视频(http://eclipsetutorial.sourceforge.net/totalbeginner.html)。够傻瓜，够直观。慢慢习之。

Lesson 01 – Create Your First Java Class

• Create Java project in Eclipse
• Create Java package
• Introduce classes and objects, naming conventions
• Write a simple Java class (Person)

1. Create Java project in Eclipse

        Java Project contains source code and relected files for building a Java program.

        File / New / Project / Java / Java project / Next / “TotalBeginner” (project name) / Next / Finish.

   2.  Create Java package

        Java Package contains related class files and allows you to use short-cut class names (用Ctrl-Space）。

        RC (right click) src / New / package / org.totalbeginner.tutorial (name) /

   3.  Introduce classes and objects, naming conventions

        Classes in intial caps (e.g.. Person, Book);

        Variables and method in lower case (e.g. .   maximumBooks, name).

   4.  Write a simple Java class (Person)

package org.totoalbeginner.tutorial;

 public class Person {
    
    // fields
     private String name;    // name of the person
     private int maximumBooks;    // most books the person can check out
    
    // constructors
     public Person() {
        name = "unknown name";
        maximumBooks = 3;
    }

}