Question

what are identifiers and what is their importance in java programming

Answer 1

identifier means the name of variable,class, function..there are several specific rule to write the name :: you can learn from java documentation

Answer 2

Answer:

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

We know that compiler allocates memory to the variables you use in the program. Hence, it is must for the compiler to know the type of value you would like to store in the memory location allotted to a variable so that necessary arrangement in a variable before assigning a value to it.

For example, the word length of integer data is 32 bits. If a variable is declared integer type, the memory location allocated to the variable is managed to store 32 bits.