# Hierarchy For Package helma.util

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - java.util.AbstractMap<K,V> (implements java.util.Map<K,V>)
    - java.util.HashMap<K,V> (implements java.lang.Cloneable, java.util.Map<K,V>, java.io.Serializable)
      - helma.util.SystemMap
  - helma.util.CacheMap (implements helma.objectmodel.ObjectCache)
    - helma.util.WeakCacheMap
  - helma.util.CronJob
  - helma.util.Crypt
  - helma.util.CryptResource
  - java.util.Dictionary<K,V>
    - java.util.Hashtable<K,V> (implements java.lang.Cloneable, java.util.Map<K,V>, java.io.Serializable)
      - java.util.Properties
        - helma.util.ResourceProperties
        - helma.util.SystemProperties
  - helma.util.Diff
  - helma.util.Diff.Change
  - helma.util.EmptyEnumeration (implements java.util.Enumeration<E>)
  - helma.util.HtmlEncoder
  - helma.util.InetAddressFilter
  - org.apache.commons.logging.LogFactory
    - helma.util.Logging
  - helma.util.Logger (implements org.apache.commons.logging.Log)
    - helma.util.FileLogger (implements org.apache.commons.logging.Log)
  - helma.util.Logo
  - helma.util.MarkdownProcessor
  - helma.util.MimePart (implements java.io.Serializable)
  - helma.util.MimePartDataSource (implements javax.activation.DataSource)
  - java.net.ServerSocket (implements java.io.Closeable)
    - helma.util.ParanoidServerSocket
  - helma.util.StringUtils
  - helma.util.Timer
  - helma.util.UrlEncoded
  - helma.util.WrappedMap (implements java.util.Map<K,V>)
    - helma.util.CopyOnWriteMap
  - helma.util.XmlUtils