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:

Evaluating

Measuring something, such as a document draft or a group decision, against your goals and the requirements of the situation and audience.

Roles

The functions or parts played by individuals or entities in a particular situation or context.

Leader

An individual who guides or directs a group towards achieving a common goal, often inspiring and motivating others.

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An online meeting, video conferencing, and collaborative technology platform, commonly used for virtual business meetings and webinars.