Java Daily-001

The relationship between the class name and the file name in Java

1.Java the file name must be the same as the class name;
2. If there is only one class in the file, the file name must match the class name;
3. There can be only one public class in a Java file;
4. If there is more than one class in the file, the filename must match the public class name;
5. If there is more than one class in the file, and there is no public class, the file name can match any class name.

Java Daily-001