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Questions and Answers
Why are StringBuffer objects considered more efficient than String objects for multiple modifications to a string?
Why are StringBuffer objects considered more efficient than String objects for multiple modifications to a string?
- StringBuffer objects are immutable
- Modifying a String object creates a new object and discards the old one (correct)
- String objects provide better memory management
- StringBuffer objects are not thread-safe
Which of the following is a key advantage of using StringBuffer over regular String objects in Java?
Which of the following is a key advantage of using StringBuffer over regular String objects in Java?
- StringBuffer objects are immutable
- StringBuffer objects require synchronization for thread safety
- Mutable nature allows modification of contents after creation (correct)
- String objects are more efficient than StringBuffer objects
In the context of thread safety, what distinguishes StringBuffer objects from String objects?
In the context of thread safety, what distinguishes StringBuffer objects from String objects?
- Both StringBuffer and String objects are thread-safe
- String objects are thread-safe, while StringBuffer objects are not
- Neither StringBuffer nor String objects are thread-safe
- StringBuffer objects are thread-safe, while String objects are not (correct)
What type of character sequences do StringBuffer and String represent, respectively?
What type of character sequences do StringBuffer and String represent, respectively?
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What is a notable difference between StringBuffer and String in terms of modification?
What is a notable difference between StringBuffer and String in terms of modification?
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