public final class CollectionUtil extends Object
| Modifier and Type | Method and Description | 
|---|---|
| static int | enumerationSize(Enumeration<?> keys)Returns the number of elements in an enumeration, by iterating it. | 
| static String | key(Object key)Returns the string representation of the key. | 
public static String key(Object key)
key - The key.IllegalArgumentException - If the key is null.public static int enumerationSize(Enumeration<?> keys)
keys - The enumeration.Copyright © 2000–2025 Apache Software Foundation. All rights reserved.