com.liferay.portal.kernel.util
Interfaces 
CalendarFactory
Constants
ContentTypes
Converter
Database
DateFormatFactory
Diff
DiffHtml
Digester
FastDateFormatFactory
File
Html
Http
JavaConstants
MimeTypes
MultiValueMapFactory
PortalInitable
PropsKeys
WebKeys
Classes 
AggregateClassLoader
ArrayUtil
ArrayUtil_IW
ArrayWrapper
AutoResetThreadLocal
Base64
BooleanWrapper
BreadcrumbsUtil
CalendarFactoryUtil
CalendarUtil
CharPool
ClassLoaderObjectInputStream
ClassLoaderProxy
ClassUtil
ConcurrentHashSet
DatabaseUtil
DateFormatFactoryUtil
DateFormats
DateUtil
DateUtil_IW
DeterminateKeyGenerator
DiffHtmlUtil
DiffResult
DiffUtil
DigesterUtil
DocumentConversionUtil
DoubleWrapper
FastDateFormatFactoryUtil
FileComparator
FileUtil
FloatWrapper
GetterUtil
GetterUtil_IW
HtmlUtil
Http.Auth
Http.Body
Http.Options
Http.Response
HttpUtil
InfrastructureUtil
InitialThreadLocal
InstancePool
IntegerWrapper
IPDetector
JavaProps
KeyValuePair
KeyValuePairComparator
KMPSearch
ListTree
ListUtil
ListWrapper
LocaleUtil
LongWrapper
LRUMap
MapUtil
MathUtil
MethodCache
MethodComparator
MethodInvoker
MethodKey
MethodWrapper
MimeTypesUtil
MultiValueMap
MultiValueMapFactoryUtil
NamedThreadFactory
NotificationThreadLocal
NullSafeProperties
NullWrapper
ObjectValuePair
ObjectValuePairComparator
OrderByComparator
OrderedProperties
OSDetector
ParamUtil
ParamUtil_IW
PortalClassInvoker
PortalClassLoaderUtil
PortalInitableUtil
PortletClassInvoker
PrefsParamUtil
PrefsPropsUtil
PrettyDateFormat
PrimitiveWrapper
ProcessUtil
ProgressTracker
ProgressTrackerThreadLocal
PropertiesParamUtil
PropertiesUtil
PropsUtil
Randomizer
Randomizer_IW
ReflectionUtil
ReleaseInfo
SafeProperties
SerializableUtil
ServerDetector
SessionParamUtil
SetUtil
ShortWrapper
SimplePojoClp
SocketUtil
SocketUtil.BindInfo
SortedProperties
StackTraceUtil
StaticFieldGetter
StreamUtil
StringBundler
StringComparator
StringPool
StringUtil
StringUtil_IW
SystemEnv
ThreadLocalRegistry
Time
TimeZoneUtil
TimeZoneUtil_IW
TransientValue
TranslatedList
TreeNode
Tuple
UnicodeFormatter
UnicodeFormatter_IW
UnicodeProperties
UnmodifiableList
Validator
Validator_IW
Enums 
Http.Method