[Solved] Why is StringBuilder preferred over StringBuffer in single-threaded applications? — Ans: Because StringBuilder is faster due to lack of synchronization. | Java

Java - Strings and String Handling

Why is StringBuilder preferred over StringBuffer in single-threaded applications?

ABecause <code>StringBuilder</code> is faster due to lack of synchronization.

BBecause <code>StringBuilder</code> is synchronized and safer.

CBecause <code>StringBuffer</code> cannot be modified after creation.

DBecause <code>StringBuffer</code> does not support append.

Step-by-Step Solution

Solution:

Step 1: Understand synchronization cost
StringBuffer synchronizes methods, adding overhead.
Step 2: Single-threaded use favors speed
StringBuilder skips synchronization, making it faster in single-threaded contexts.
Final Answer:
Because StringBuilder is faster due to lack of synchronization. -> Option A
Quick Check:
Speed without sync = Because StringBuilder is faster due to lack of synchronization. [OK]

Quick Trick: No sync means faster in single-threaded apps [OK]

Common Mistakes:

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