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About Java Classes

Source: Internet
Author: User
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There can be many classes in a. java file. However, note the following: The 1.public permission class can only have one (or none, But up to 1) 2. The file name of the. java file must be the class name of the public class (in general, the main method that is placed here is the entry of the program) 3. If there is no public class in this file, then the filename is the name of a class 4. You use Javac. When compiling this. java file, it will generate a. class file for each class

About Java Classes

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