The SecurityManager Class
Each Java application has its own security manager object
that acts as a full time security guard
- it is an abstract class
- an application can get the current SecurityManager by
System.getSecurityManager()
- returns NULL if there is none
- provides checkXXX() methods
- checkCreateClassLoader()
- checkRead()
- checkWrite()
- checkExec()
- checkProperties()
- checkConnect()


