Mastering Java: The Ultimate 2025 All-In-One Quiz to Excel in 'Thinking in Java

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What is the preferred approach to add elements to a Collection?

Using constructor

Using add method

Using Collections.addAll method

The preferred approach to add elements to a Collection is by using the Collections.addAll method. This is because this method offers increased performance by allowing multiple elements to be added at once. Additionally, the constructor option only allows for one element to be added at a time, and the add and set methods can result in duplicate elements being added to the Collection. Therefore, the Collections.addAll method is the most efficient and effective way to add multiple elements to a Collection.

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Using set method

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