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Tasks | Level 6 | Lesson 6

Java Collections
Level 6 , Lesson 6
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16
Task
Java Collections, level 6, lesson 6
Locked
Find the class by its description
Class description: 1. It implements the List interface; 2. It is a private static class inside a popular utility class; 3. Accessing the list by index is not allowed. It throws an IndexOutOfBoundsException.
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9
Task
Java Collections, level 6, lesson 6
Locked
Search for a class by its description
Replace the following words with those required: 1. ClassNameToBeReplaced - the name of a class that is a thread-safe version of ArrayList, in which all change operations (mutative operations) use a new copy of the original array.
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Wei Cui Level 39, Newark, United States
21 April 2020
task 2 use CopyOnWriteArrayList instead of