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:

Disappearing Forests

Disappearing forests refer to the loss of forested areas around the globe due to deforestation, logging, and land conversion, posing major concerns for biodiversity, climate, and indigenous communities.

Biodiversity Data

Information related to the variety and variability of life forms, including species diversity, ecosystem diversity, and genetic diversity.

Ecoregions

Specific geographic areas that contain distinct collections of natural communities and species, with similar environmental conditions.

Global Consequences

The extensive effects or outcomes of actions or phenomena that impact the entire world or have worldwide implications.