Package it.unimi.dsi.fastutil.objects
Class ObjectComparators
- java.lang.Object
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- it.unimi.dsi.fastutil.objects.ObjectComparators
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public final class ObjectComparators extends java.lang.Object
A class providing static methods and objects that do useful things with comparators.
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Field Summary
Fields Modifier and Type Field Description static java.util.Comparator
NATURAL_COMPARATOR
static java.util.Comparator
OPPOSITE_COMPARATOR
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Method Summary
All Methods Static Methods Concrete Methods Modifier and Type Method Description static <K> java.util.Comparator<K>
asObjectComparator(java.util.Comparator<K> c)
Returns a the comparator given unmodified.static <K> java.util.Comparator<K>
oppositeComparator(java.util.Comparator<K> c)
Returns a comparator representing the opposite order of the given comparator.
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Method Detail
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oppositeComparator
public static <K> java.util.Comparator<K> oppositeComparator(java.util.Comparator<K> c)
Returns a comparator representing the opposite order of the given comparator.- Parameters:
c
- a comparator.- Returns:
- a comparator representing the opposite order of
c
.
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asObjectComparator
public static <K> java.util.Comparator<K> asObjectComparator(java.util.Comparator<K> c)
Returns a the comparator given unmodified. This method merely serves as a way to be compatible with primtive type-specific Comparators implementations, as they do have type-specific Comparators, but Object ones do not.- Parameters:
c
- a comparator, ornull
.- Returns:
c
, unmodified.
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