# Hierarchy For Package org.apache.xpath.functions

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - org.apache.xpath.Expression (implements org.apache.xpath.ExpressionNode, java.io.Serializable, org.apache.xpath.XPathVisitable)
    - org.apache.xpath.functions.Function
      - org.apache.xpath.functions.FuncCurrent
      - org.apache.xpath.functions.FuncExtFunction
      - org.apache.xpath.functions.FuncFalse
      - org.apache.xpath.functions.FuncLast
      - org.apache.xpath.functions.FuncPosition
      - org.apache.xpath.functions.FunctionOneArg (implements org.apache.xpath.ExpressionOwner)
        - org.apache.xpath.functions.FuncBoolean
        - org.apache.xpath.functions.FuncCeiling
        - org.apache.xpath.functions.FuncCount
        - org.apache.xpath.functions.FuncExtElementAvailable
        - org.apache.xpath.functions.FuncExtFunctionAvailable
        - org.apache.xpath.functions.FuncFloor
        - org.apache.xpath.functions.FuncId
        - org.apache.xpath.functions.FuncLang
        - org.apache.xpath.functions.FuncNot
        - org.apache.xpath.functions.FuncRound
        - org.apache.xpath.functions.FuncSum
        - org.apache.xpath.functions.FuncSystemProperty
        - org.apache.xpath.functions.Function2Args
          - org.apache.xpath.functions.FuncContains
          - org.apache.xpath.functions.FuncStartsWith
          - org.apache.xpath.functions.FuncSubstringAfter
          - org.apache.xpath.functions.FuncSubstringBefore
          - org.apache.xpath.functions.Function3Args
            - org.apache.xpath.functions.FuncSubstring
            - org.apache.xpath.functions.FunctionMultiArgs
              - org.apache.xpath.functions.FuncConcat
            - org.apache.xpath.functions.FuncTranslate
        - org.apache.xpath.functions.FunctionDef1Arg
          - org.apache.xpath.functions.FuncDoclocation
          - org.apache.xpath.functions.FuncGenerateId
          - org.apache.xpath.functions.FuncLocalPart
          - org.apache.xpath.functions.FuncNamespace
          - org.apache.xpath.functions.FuncNormalizeSpace
          - org.apache.xpath.functions.FuncNumber
          - org.apache.xpath.functions.FuncQname
          - org.apache.xpath.functions.FuncString
          - org.apache.xpath.functions.FuncStringLength
        - org.apache.xpath.functions.FuncUnparsedEntityURI
      - org.apache.xpath.functions.FuncTrue
  - java.lang.Throwable (implements java.io.Serializable)
    - java.lang.Exception
      - org.apache.xpath.functions.WrongNumberArgsException