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Discussion on: 9 tips to Increase your Java performance β˜•οΈ πŸš€ πŸšΆβ€β™‚οΈ

ujaehrig profile image

The "use StringBuilder" is much too general. Maybe have a look at the following talk by Heinz Kabutz:
He talks an hours about Java Strings and performance.

For performance surprises, the following talk is also a recommendation:

Its conclusion, which I support, is: Performance is full of surprises, write clean code. If necessary focus on the hot spots.