In Java Concurrency In Practice by Brian Goetz

Question

Java Concurrency In Practice by Brian Goetz provides an example of a efficient scalable cache for concurrent use. Here is the code for the class:

public clas         


        

Answer 1

I could imagine something like this:

class PrimeDetector implements Computable {
  public Boolean compute(BigInteger number) {
    // detect whether the number is prime and return true if it is
  }
}

Memoizer primeMemoizer =
        new Memoizer(new PrimeDetector());
boolean isPrime = primeMemoizer.compute(
        new BigInteger("5625945193217348954671586615478165774647538956473535"));
...