"Effective Java" notes

Read the book at the weekend. Write down what you feel is useful, and share it with you:

1. Do not misuse "inheritance" and use "reuse" as much as possible;
Use "Private member variable (reference to own Class)"
2. The interface is only used to define the type;
3. Priority is given to static member classes;

4. Give priority to generics (be free to learn well);
5. Replace the int "enum" with the J2SE5 enumeration
6. Insist on using @override annotations
7. It is recommended not to use overloading;
8. Minimize the scope of local variables;
9. Training: The habit of referencing objects through interfaces;
10. Throws the exception corresponding to the abstract;

"Effective Java" notes