Java - Strings and String Handling
You want to build a thread-safe string that multiple threads can modify safely. Which class and method usage is correct?
You want to build a thread-safe string that multiple threads can modify safely. Which class and method usage is correct?
hard📝 Application Q8 of 15
Step-by-Step Solution
Solution:
Step 1: Identify thread-safe class
StringBufferis synchronized and thread-safe.Step 2: Use append() to modify string
append()is the correct method to add text.Final Answer:
UseStringBufferand itsappend()method. -> Option AQuick Check:
Thread-safe append = UseStringBufferand itsappend()method. [OK]
Quick Trick: StringBuffer is synchronized; use append() to add text [OK]
Common Mistakes:
- Using StringBuilder for thread safety
- Using concat() which is not in StringBuffer
- Using '+' operator for thread safety
Master "Strings and String Handling" in Java
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