這個課程的參考視頻在youtube。

? ? 主要學(xué)到的知識點有：

1. Create new project, choose Java Application.
2. one .jar file/ package(.jar name with the same as package), one package can contains mutiple .java files.
3. Comment mutiple lines by using "/* */"; comment one line by using "//"

/*
*  This is example to comment mutliple lines
*/// This is one line comment

?

• A class is the template from which objects are created.
• Object: Instance of a class.
• public can be accessed by other class and private can not.
• static means that you can use it without define it first. (also allow method to been used by other class without define an object)
• void mens return nothing, like in C.
• Statements should end with ;

轉(zhuǎn)載于:https://www.cnblogs.com/Johnsonxiong/p/9819289.html

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