When the Next( )Method of Iterator Is Called at the End

question 10

Multiple Choice

When the next( ) method of Iterator is called at the end of a collection,it

• A) throws NoSuchElementException
• B) returns null
• C) wraps around to the beginning of the collection and returns the first element
• D) returns the a copy of the last element returned

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Definitions:

Peptidoglycan

A sophisticated polymer located in bacterial cell walls, offering shape and structural integrity.

Penicillin

A group of antibiotics derived from Penicillium fungi, used in the treatment of bacterial infections by inhibiting cell wall synthesis.

Gram-Negative

Bacteria characterized by a cell wall structure that does not retain the crystal violet stain used in the Gram staining method of bacterial differentiation.

Hypotonic Environment

An environment in which the concentration of solutes is lower outside the cell than inside, leading to water influx into the cell.