You Want to Enumerate All of the Keys in a Map

question 110

Multiple Choice

You want to enumerate all of the keys in a map named myMap whose keys are type String. Which of the following statements will allow you to do this?

• A) Set<String> keySet = myMap.keySet();
• For (String key : keySet) {. . . }
• B) Set<String> keySet = myMap.getKeys();
• For (String key : keySet) {. . . }
• C) Set<String> keySet = myMap.keys();
• For (String key : keySet) {. . . }
• D) Set<String> keySet = myMap.getKeySet();
• For (String key : keySet) {. . . }

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Definitions:

Short Periods

Brief intervals of time, which can refer to various contexts, including menstrual cycles or time frames for tasks.

Intestinal Failure

A condition in which the intestines cannot digest food or absorb the necessary nutrients and fluids.

Enteral Nutrition

A method of providing food through a tube placed in the nose, the stomach, or the small intestine when a person cannot consume food by mouth.

Parenteral Nutrition

Nutritional support given intravenously, bypassing the digestive tract, used for patients who cannot or should not get their nutrition orally.