1. Introduction variables
- Member variable (class variables): it can be used to describe a property of the class
- Local variables (method variables): Write in the member variables are local approach
- Static variables: the static variable modified
2. The difference between the three comparison
3. thread-safety issues
Static variables: non-thread-safe. Examples of variables: Singleton (only one instance of an object exists) - non-thread safe, non-singleton - thread safe. Local variables: thread safe.
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The difference between static variables, member variables, local variables
Static variables java thread-safety issues, the instance variables, local variables
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