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Domanda di colloquio di ION Trading
Write a UniqueHashMapClass, which should extend the regular HashMap class with the added condition that no value appears twice in a UniqueHashMap.
Risposta di colloquio
Anonimo
1 apr 2013
Obviously I can't post the code here, but if your'e familiar with Java it shouldn't take more than looking at the documentation for HashMap to figure this one out.
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