Question

what is an identifier​

Answer 1

A person or thing that identifies someone or something is known as 'Identifier'.

Answer 2

Answer:

Identifiers are also called variables in Java programming. A variable is a named memory location, which contains a value.

When we declare a variable it contains a sort of garbage value that is absurd value, which may create problem during execution of your program. we may not obtain proper results although your problem logic is correct.