Was mach ich mit dem Rückgabewert?

getCustomer("BA4C"); // OK - A Customer

will be returned

getProduct("BA4C"); // Nonsense - No

product will be found

setTitle("BA4C"); // Will work, but not

a nice title for

a document

setDescription("BA4C"); // Will work also,

but it is no description

?

Web Service

getBuyer()

BA4C

?

?

?