June 2018
Intermediate to advanced
280 pages
7h 46m
English
Content preview from Design Patterns and Best Practices in Java
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Examples
In the following example, we are going to reuse the Fibonacci code and add a Guava cache. The cache will hold the returned values of Fibonacci while the key is the input number. The cache is configured to limit the memory footprint both in size and time:
importstatic cyclops.control.Trampoline.done;importstatic cyclops.control.Trampoline.more;import java.math.BigInteger;import java.util.Arrays;import java.util.List;import java.util.concurrent.TimeUnit;import com.google.common.cache.Cache;import com.google.common.cache.CacheBuilder;import cyclops.async.LazyReact;import cyclops.control.Trampoline;publicclass Main { public BigInteger fib(BigInteger n) { return fibonacci(n, BigInteger.ZERO, BigInteger.ONE).get(); } public Trampoline<BigInteger> ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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