Question

rules of java identifiers​

Answer 1

Answer:

Each identifiers must have at least one character.

the first character must be picked from:

Alpha, underscore and dollar sign.

The first character can not be a digit.

Explanation:

Answer 2

ANSWER:

Rules for Identifiers in Java

• A valid identifier must have characters [A-Z] or [a-z] or numbers [0-9], and underscore(_) or a dollar sign ($). ...
• There should not be any space in an identifier. ...
• An identifier should not contain a number at the starting. ...
• An identifier should be of length 4-15 letters only.

EXPLANATION:

I hope this help you!!!