01_java Overview _public Class and Class differences 1

1. A . Java source file can define more than one class, and one class corresponds to a . Class file, in other words, compiles a . Java source file, if there are multiple class will produce multiple . Class file

2. A . Java file can have no public class

The name of the class of public must be consistent with the file name, and if you want to define the classof public, then this the public class can have only one

3.// Single-line comment

4.

/*

Multi-line comments

*/

5.

/**

* Multiline Comment , which can be parsed by the Javadoc tool to generate the Help document

*/

01_java Overview _public Class and Class differences 1