cn.tdchain.cb.util

类 CollectionUtils

java.lang.Object

cn.tdchain.cb.util.CollectionUtils

public class CollectionUtils
extends java.lang.Object

Collection Utilities.

版本:

1.0

作者:

Administrator 2019-01-31

方法概要

限定符和类型	方法和说明
static boolean	isEmpty(java.util.Collection<?> collection) Return true if the supplied Collection is null or empty.
static boolean	isEmpty(java.util.Map<?,?> map) Return true if the supplied Map is null or empty.
static boolean	isNotEmpty(java.util.Collection<?> collection) Return false if the supplied Collection is null or empty.
static boolean	isNotEmpty(java.util.Map<?,?> map) Return false if the supplied Map is null or empty.

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

方法详细资料

isEmpty

public static boolean isEmpty(java.util.Collection<?> collection)

Return true if the supplied Collection is null or empty.
Otherwise, return false.

参数:

collection - the Collection to check

返回:

whether the given Collection is empty

isNotEmpty

public static boolean isNotEmpty(java.util.Collection<?> collection)

Return false if the supplied Collection is null or empty.
Otherwise, return true.

参数:

collection - the Collection to check

返回:

whether the given Collection is empty

isEmpty

public static boolean isEmpty(java.util.Map<?,?> map)

Return true if the supplied Map is null or empty.
Otherwise, return false.

参数:

map - the Map to check

返回:

whether the given Map is empty

isNotEmpty

public static boolean isNotEmpty(java.util.Map<?,?> map)

Return false if the supplied Map is null or empty.
Otherwise, return true.

参数:

map - the Map to check

返回:

whether the given Map is empty