public class CollectionUtils extends Object
限定符和类型 | 方法和说明 |
---|---|
static boolean |
isEmpty(Collection<?> collection) |
static boolean |
isNotEmpty(Collection<?> collection) |
static String |
join(List<String> list,
String separator) |
static List<String> |
join(Map<String,String> map,
String separator) |
static Map<String,List<String>> |
joinAll(Map<String,Map<String,String>> map,
String separator) |
static boolean |
mapEquals(Map<?,?> map1,
Map<?,?> map2) |
static <T> List<T> |
sort(List<T> list) |
static List<String> |
sortSimpleName(List<String> list) |
static Map<String,String> |
split(List<String> list,
String separator) |
static Map<String,Map<String,String>> |
splitAll(Map<String,List<String>> list,
String separator) |
static <K,V> Map<K,V> |
toMap(Object... pairs) |
static Map<String,String> |
toStringMap(String... pairs) |
public static Map<String,Map<String,String>> splitAll(Map<String,List<String>> list, String separator)
public static Map<String,List<String>> joinAll(Map<String,Map<String,String>> map, String separator)
public static boolean isEmpty(Collection<?> collection)
public static boolean isNotEmpty(Collection<?> collection)
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