They both mean the same. An Access Modifier is a key word in java that determines what level of access or visibility a particular java variable/method or class has. There are 4 basic access modifiers...
Relative:-
1. In this mode the content of the program counter is added to the address part of the instruction to obtain the effective addressed.
2. Effective Address = Contents of the program...
File constructed in a manner in which records may be placed in a random order; also called direct access file. Each record in a random access file has associated with it a relative index number....