public class Utils extends Object
Constructor and Description |
---|
Utils() |
Modifier and Type | Method and Description |
---|---|
static <E> E |
getItem(List<E> list,
int pos) |
static int |
getSize(Collection list) |
static <T> T |
getVal(WeakReference<T> ref) |
static boolean |
isEmpty(Collection list) |
static boolean |
isEmpty(Map map) |
static boolean |
notEmpty(Collection list) |
static boolean |
notEmpty(Map map) |
public static boolean isEmpty(Collection list)
public static boolean notEmpty(Collection list)
public static boolean isEmpty(Map map)
public static boolean notEmpty(Map map)
public static int getSize(Collection list)
public static <E> E getItem(List<E> list, int pos)
public static <T> T getVal(WeakReference<T> ref)
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