## Uses of Interface
javax.jdo.query.CharacterExpression

- Packages that use CharacterExpression
  Package | Description
  --- | ---
  javax.jdo | This package contains the JDO specification interfaces and classes.
  javax.jdo.query | Package providing expressions for building a typed JDOQL query.

- - ### Uses of CharacterExpression in javax.jdo

    Methods in javax.jdo that return CharacterExpression
    Modifier and Type | Method and Description
    --- | ---
    `CharacterExpression` | JDOQLTypedQuery.`characterParameter(String name)` Method to return a character parameter for the query.
    `CharacterExpression` | JDOQLTypedQuery.`characterParameter(String name)` Method to return a character parameter for the query.
    `CharacterExpression` | JDOQLTypedSubquery.`selectUnique(CharacterExpression expr)` Accessor for the subquery (character) expression from the subquery when the subquery returns a single value.
    `CharacterExpression` | JDOQLTypedSubquery.`selectUnique(CharacterExpression expr)` Accessor for the subquery (character) expression from the subquery when the subquery returns a single value.

    Methods in javax.jdo with parameters of type CharacterExpression
    Modifier and Type | Method and Description
    --- | ---
    `CharacterExpression` | JDOQLTypedSubquery.`selectUnique(CharacterExpression expr)` Accessor for the subquery (character) expression from the subquery when the subquery returns a single value.
    `CharacterExpression` | JDOQLTypedSubquery.`selectUnique(CharacterExpression expr)` Accessor for the subquery (character) expression from the subquery when the subquery returns a single value.

  - ### Uses of CharacterExpression in javax.jdo.query

    Methods in javax.jdo.query that return CharacterExpression
    Modifier and Type | Method and Description
    --- | ---
    `CharacterExpression` | StringExpression.`charAt(int pos)` Method to return an expression for the character at a position of this string expression.
    `CharacterExpression` | StringExpression.`charAt(int pos)` Method to return an expression for the character at a position of this string expression.
    `CharacterExpression` | StringExpression.`charAt(NumericExpression<Integer> pos)` Method to return an expression for the character at a position of this string expression.
    `CharacterExpression` | StringExpression.`charAt(NumericExpression<Integer> pos)` Method to return an expression for the character at a position of this string expression.
    `CharacterExpression` | CharacterExpression.`com()` Method to return an expression that is the complement of the current expression.
    `CharacterExpression` | CharacterExpression.`com()` Method to return an expression that is the complement of the current expression.
    `CharacterExpression` | CharacterExpression.`neg()` Method to return an expression that is the current expression negated.
    `CharacterExpression` | CharacterExpression.`neg()` Method to return an expression that is the current expression negated.
    `CharacterExpression` | CharacterExpression.`toLowerCase()` Method to return a CharacterExpression representing this CharacterExpression in lower case.
    `CharacterExpression` | CharacterExpression.`toLowerCase()` Method to return a CharacterExpression representing this CharacterExpression in lower case.
    `CharacterExpression` | CharacterExpression.`toUpperCase()` Method to return a CharacterExpression representing this CharacterExpression in upper case.
    `CharacterExpression` | CharacterExpression.`toUpperCase()` Method to return a CharacterExpression representing this CharacterExpression in upper case.

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