Computer scienceProgramming languagesJavaWorking with dataCollectionsCollection Implementations

ArrayList

The behavior of methods

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Choose all methods and constructors of ArrayList that have correct descriptions.

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new ArrayList<>(50) creates an instance containing a single element 50

set(int index, Object o) inserts passed element to the specified position of the collection

add(Object o) adds a passed element to list

indexOf(Object o) returns the index of the first occurrence of an element, or -1 if the element wasn't found

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