Explain briefly the operation of each of the following Iterator-related methods
a) iterator
b) hasNext
c) next
a) Returns an Iterator for a collection.
b) Determines whether a collection has another element.
c) Returns the next element in a collection.
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Match the following properties to their options
I. Control Source II. Text Format III. Enabled IV. Validation Text V. Locked A. Determines whether data can be entered B. Source for the data in a bound control C. Determines whether data can be entered or copied D. Applied format E. Error message
A tape is used to hold the ____ to the Turing machine.
A. alphabet B. input C. output D. halting state
Cardinality describes the number of possible occurrences in one table that are associated with a single occurrence in a related table.
Answer the following statement true (T) or false (F)
In JPA transaction processing, if the operations execute successfully, you call EntityTransaction method _______ to commit the changes to the database. If any operation fails, you call EntityTransaction method ________ to return the database to its state prior to the transaction.
a. apply, rollback b. commit, restore c. apply, restore d. commit, rollback