StringBuffer is way more efficient than normal String concatenation.
Benchmark Mode Cnt Score Error Units Benchmark.First.stringBuffer thrpt 25 52791,073 ± 196,355 ops/s Benchmark.First.stringConcat thrpt 25 7355,182 ± 39,284 ops/s
And this is on JDK 12.
For some reason your JDK decided out to replace str concat with stringbuilder. Look here for more information: dzone.com/articles/jdk-9jep-280-st...
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StringBuffer is way more efficient than normal String concatenation.
And this is on JDK 12.
For some reason your JDK decided out to replace str concat with stringbuilder.
Look here for more information:
dzone.com/articles/jdk-9jep-280-st...