PPT Slide

Method Comparisons - add

Collection

boolean add(Object o) Ensures that this collection contains the specified element (optional operation).

List

void add(int index, Object element) Inserts the specified element at the specified position in this list (optional operation).

boolean add(Object o) Appends the specified element to the end of this list (optional operation).

Set

boolean add(Object o) Adds the specified element to this set if it is not already present (optional operation).

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