Review on Self Test 1.6

For each of the following requirements, suggest a data structure from the Java Collection Framework.

Non-duplicating objects that are often retrieved sequentially based on a natural order among the objects for example alphabetical order.

TreeSet

HashSet

LinkedHashSet

ArrayList

For each of the following requirements, suggest a data structure from the Java Collection Framework.

Non-duplicating objects that are randomly retrieved.

HashMap

HashTable

HashSet

TreeSet

For each of the following requirements, suggest a data structure from the Java Collection Framework.

A list of objects with insertions and deletions to happen anywhere in the list.

ArrayList

LinkedList

LinkedHashSet

None of the Above

For each of the following requirements, suggest a data structure from the Java Collection Framework.

A list of objects with insertions and deletions to happen mostly at the end of the list.

ArrayList

LinkedList

LinkedHashSet

TreeSet

For each of the following requirements, suggest a data structure from the Java Collection Framework.

A collection of objects uniquely identified by keys, for example student ids. Objects are often accessed in ascending order of the keys.

HashMap

HashSet

TreeMap

LinkedHashMap

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