public class CollectionTools
extends java.lang.Object
Constructor and Description |
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CollectionTools() |
Modifier and Type | Method and Description |
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static java.lang.Object |
randomPick(java.util.Collection<java.lang.Number> col) |
static double[] |
toDoubleArray(java.util.Collection<java.lang.Number> l) |
static int[] |
toIntArray(java.util.Collection<java.lang.Number> l) |