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@Beta public interface Interner<E>
Provides equivalent behavior to String.intern() for other immutable
types.
| Method Summary | |
|---|---|
E |
intern(E sample)
Chooses and returns the representative instance for any of a collection of instances that are equal to each other. |
| Method Detail |
|---|
E intern(E sample)
intern(a).equals(a) always holds, and intern(a) == intern(b) if and only if a.equals(b). Note that
intern(a) is permitted to return one instance now and a different
instance later if the original interned instance was garbage-collected.
Warning: do not use with mutable objects.
NullPointerException - if sample is null
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