# Hierarchy For Package org.postgresql.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)
      - org.postgresql.util.GettableHashMap<K,V> (implements org.postgresql.util.Gettable<K,V>)
  - org.postgresql.util.ByteBufferByteStreamWriter (implements org.postgresql.util.ByteStreamWriter)
  - org.postgresql.util.ByteConverter
  - java.util.Date (implements java.lang.Cloneable, java.lang.Comparable<T>, java.io.Serializable)
    - java.sql.Time
      - org.postgresql.util.PGTime
    - java.sql.Timestamp
      - org.postgresql.util.PGTimestamp
  - 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
        - org.postgresql.util.ExpressionProperties
  - org.postgresql.util.DriverInfo
  - org.postgresql.util.GT
  - java.util.logging.Handler
    - org.postgresql.util.LogWriterHandler
  - org.postgresql.util.HostSpec
  - org.postgresql.util.HStoreConverter
  - java.io.InputStream (implements java.io.Closeable)
    - org.postgresql.util.ReaderInputStream
  - org.postgresql.util.IntList
  - org.postgresql.util.JdbcBlackHole
  - org.postgresql.util.KerberosTicket
  - org.postgresql.util.LazyCleaner
  - org.postgresql.util.LruCache<Key,Value> (implements org.postgresql.util.Gettable<K,V>)
  - org.postgresql.util.MD5Digest
  - org.postgresql.util.NumberParser
  - org.postgresql.util.ObjectFactory
  - org.postgresql.util.OSUtil
  - org.postgresql.util.PasswordUtil
  - org.postgresql.util.PGbytea
  - org.postgresql.util.PGJDBCMain
  - org.postgresql.util.PGobject (implements java.lang.Cloneable, java.io.Serializable)
    - org.postgresql.util.PGInterval (implements java.lang.Cloneable, java.io.Serializable)
    - org.postgresql.util.PGmoney (implements java.lang.Cloneable, java.io.Serializable)
  - org.postgresql.util.PGPropertyMaxResultBufferParser
  - org.postgresql.util.PGPropertyUtil
  - org.postgresql.util.PGtokenizer
  - org.postgresql.util.ServerErrorMessage (implements java.io.Serializable)
  - org.postgresql.util.SharedTimer
  - org.postgresql.util.StreamWrapper (implements java.io.Closeable)
  - java.lang.Throwable (implements java.io.Serializable)
    - java.lang.Exception
      - java.sql.SQLException (implements java.lang.Iterable<T>)
        - org.postgresql.util.PSQLException
        - java.sql.SQLWarning
          - org.postgresql.util.PSQLWarning
  - org.postgresql.util.URLCoder

## Interface Hierarchy

- org.postgresql.util.ByteStreamWriter
- org.postgresql.util.ByteStreamWriter.ByteStreamTarget
- org.postgresql.util.CanEstimateSize
- org.postgresql.util.Gettable<K,V>
- org.postgresql.util.LazyCleaner.Cleanable<T>
- org.postgresql.util.LazyCleaner.CleaningAction<T>
- org.postgresql.util.LruCache.CreateAction<Key,Value>
- org.postgresql.util.LruCache.EvictAction<Value>
- org.postgresql.util.PGBinaryObject

## Enum Hierarchy

- java.lang.Object
  - java.lang.Enum<E> (implements java.lang.Comparable<T>, java.lang.constant.Constable, java.io.Serializable)
    - org.postgresql.util.PSQLState