Passing many Strings in Java Methods
Question
Looking for best advice on the following optimization of many calls:
myMethod("This is a test string with value: " + var + ".");
The program has many calls with this type of behavior. Ie: this type of method is called thousands of times over of the course of program usage.
Should a cache of some sorts be built to max this optimization of string usage?
myMethod(cache.get(Cache.TEST_STRING_000001) + " + var + ".);
Tips welcomed and proper instruction on best practices and efficieny is also welcomed.
1 answers
solution1
2 2015-02-03 20:38:55
No. That is completely useless. Each time this code is executed, the same String instance is used for "This is a test string with value: " .
Even more, if the same String literal is used in 10 different classes, a unique instance is used in all classes.
Your code would be less readable, especially with such a meaningless name as TEST_STRING_000001 .
The technical post webpages of this site follow the CC BY-SA 4.0 protocol. If you need to reprint, please indicate the site URL or the original address.Any question please contact:yoyou2525@163.com.