Oracle
1Z0-851 · Question #199
1Z0-851 Question #199: Real Exam Question with Answer & Explanation
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Question
Which two scenarios are NOT safe to replace a StringBuffer object with a StringBuilder object? (Choose two.)
Options
- AWhen using versions of Java technology earlier than 5.0.
- BWhen sharing a StringBuffer among multiple threads.
- CWhen using the java.io class StringBufferInputStream.
- DWhen you plan to reuse the StringBuffer to build more than one string.
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