Java Interview Map

Java Interview Map

1. Access Modifiers

   • Access Modifiers in Java are used to control the visibility of fields, methods, classes and constructors.
   • If you are overriding any method, overridden method must not be more restrictive.
   • you can’t create sub classes to that class which has only private constructors.
   • Inner classes can be private, but outer classes can not be private
   • private inner Class can not be instantiated outside the Class
   • Outer class can not be protected.
   • A .java file can have maximum one public class.
   • private methods are not at all inherited

2. Overriding