Java Identifiers

The main aim of the program is to solve a problem. In the due course of the proble solving we deal with different data. The data should be stored some where in the computer in order to solve the problem. The data is stored in the memory. To address the memory in which data is stored we used names or identifiers.

Identifier is a name given to a memory location in which some data is stored. We have to follow some rules to frame the identificer. those are.

  1. Keywords should not be used as Identifier
  2. Identifier should not starts with a digit. But it may contains digits.
  3. Identifier should not contain any special symbol except _
  4. Identifier should have meaning.