ArrayList is thread-safe whereas Vector is not thread-safe.
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Keep practicing — related questions
- Vector is synchronized whereas arraylist is not.
- Which is true about ArrayList vs Vector?
- Which of the following collection classes from java.util package are Thread safe?
- Difference between Vector and ArrayList?
- Which of the following is a thread safe class in Java?
- Immutable objects are automatically thread-safe.
- Which of the following classes will not allow unsynchronized read operations by multiple threads?
- Synchronized resizable-array implementation of the List interface is _____________?