com.ptteng.rent.user.utils.wx.transfer

类 CollectionUtil

java.lang.Object

com.ptteng.rent.user.utils.wx.transfer.CollectionUtil

public class CollectionUtil
extends Object

方法概要

限定符和类型	方法和说明
static <T> boolean	isEmpty(Collection<T> col)
static <K,V> boolean	isEmpty(Map<K,V> map)
static <T> boolean	isNotEmpty(Collection<T> col)
static <K,V> boolean	isNotEmpty(Map<K,V> map)
static <T> List<T>	removeRepeat(List<T> list)
static <T> String[]	toArray(List<T> list)

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 <T> boolean isEmpty(Collection<T> col)

isNotEmpty

public static <T> boolean isNotEmpty(Collection<T> col)

isEmpty

public static <K,V> boolean isEmpty(Map<K,V> map)

isNotEmpty

public static <K,V> boolean isNotEmpty(Map<K,V> map)

removeRepeat

public static <T> List<T> removeRepeat(List<T> list)

toArray

public static <T> String[] toArray(List<T> list)