com.sprite.utils

类 UtilCollection

java.lang.Object

com.sprite.utils.UtilCollection

public final class UtilCollection
extends Object

作者:

Jack

方法概要

限定符和类型	方法和说明
static <T> T	at(Collection<T> collection, int i)
static <T> T	at(Collection<T> collection, int i, T defaultValue)
static <T> T	first(Collection<T> collection)
static boolean	isEmpty(Collection<?> collection)
static boolean	isNotEmpty(Collection<?> collection)
static <T> int	size(Collection<T> collection)

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(Collection<?> collection)

isNotEmpty

public static boolean isNotEmpty(Collection<?> collection)

first

public static <T> T first(Collection<T> collection)

at

public static <T> T at(Collection<T> collection,
                       int i)

at

public static <T> T at(Collection<T> collection,
                       int i,
                       T defaultValue)

size

public static <T> int size(Collection<T> collection)