Tag Archives: cache

Simple LRU or FIFO Cache

There is a very simple way to make a FIFO or LRU cache with the existing LinkedHashMap implementation of the default Java VM made by Joshua Bloch. The LinkedHashMap already has a method you can override, which defines when to … Continue reading

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Java Performance Tuning with maximizing Integer.valueOf(int)

With http://java.sun.com/javase/6/docs/api/java/lang/Integer.html#valueOf%28int%29 or auto boxing(uses internal a valueOf too) the cached Integer values will be used if they are between -127 and +128. Now I found coincidentally(by looking at the source) on a Java feature or more exactly on a … Continue reading

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