Use the METHOD-ID paragraph to name an instance method. Immediately precede the METHOD-ID paragraph with an IDENTIFICATION DIVISION declaration to indicate the beginning of the method definition.
For example, the definition of the credit method in the Account class begins like this:
Identification Division. Method-id. "credit".
Code the method-name as an alphanumeric or national literal. The method-name is processed in a case-sensitive manner and must conform to the rules of formation for a Java method-name.
Other Java or COBOL methods or programs (that is, clients) use the method-name to invoke a method.
related references
The Java Language Specification (Meaning of method names)
The Java Language Specification (Identifiers)
METHOD-ID paragraph (Enterprise COBOL Language Reference)