public abstract class CollectionUtils extends Object
| 构造器和说明 |
|---|
CollectionUtils() |
public static boolean isEmpty(Collection<?> collection)
public static boolean isEmpty(Map<?,?> collection)
public static boolean isEmpty(Object[] array)
public static boolean notEmpty(Collection<?> collection)
public static boolean notEmpty(Map<?,?> map)
public static boolean notEmpty(Object[] array)
Copyright © 2022. All rights reserved.