About regular expression

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JPA Doc
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in(values)

Method javax.persistence.criteria.Expression Predicate in(   Expression values ) Create a predicate to test whether the expression is a member of the collection. Parameters: values - expression corresponding to collection to be tested against Returns: predicate testing for membership Since: JPA 2.0
JPA Doc
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select(expression)

Method javax.persistence.criteria.Subquery Subquery select(   Expression expression ) Specify the item that is to be returned as the subquery result. Replaces the previously specified selection, if any. Parameters: expression - expression specifying the item that is to be returned as
JPA Doc
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isNotNull()

Method javax.persistence.criteria.Expression Predicate isNotNull() Create a predicate to test whether the expression is not null. Returns: predicate testing whether the expression is not null Since: JPA 2.0
JPA Doc
24

isNull()

Method javax.persistence.criteria.Expression Predicate isNull() Create a predicate to test whether the expression is null. Returns: predicate testing whether the expression is null Since: JPA 2.0
JPA Doc
24

in(values)

Method javax.persistence.criteria.Expression Predicate in(   Object... values ) Create a predicate to test whether the expression is a member of the argument list. Parameters: values - values to be tested against Returns: predicate testing for membership Since: JPA 2.0
JPA Doc
24

in(values)

Method javax.persistence.criteria.Expression Predicate in(   Collection values ) Create a predicate to test whether the expression is a member of the collection. Parameters: values - collection of values to be tested against Returns: predicate testing for membership Since: JPA 2.0
JPA Doc
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javax.persistence.criteria.CriteriaBuilder

selections, expressions, predicates, orderings. Note that Predicate is used instead of Expression in ... . Expression abs( Expression x) Create an expression that returns the absolute value of its argument. Create an expression that returns the absolute value of its argument. Parameters: x
Manual
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Numbers in JPQL and Criteria Queries

parameters - when numeric values are assigned as arguments. as path expressions - in navigation to persistent numeric fields. as aggregate expressions - e.g. COUNT. as collection functions ... .g. LOCATE, LENGTH. as composite arithmetic expressions that use operators and functions to combine
Manual
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Paths and Types in JPQL and Criteria API

classes) are represented in JPQL by the following types of expressions: Variables - FROM ... as arguments. Path expressions that navigate from one object to another. Instances of user defined ... . But more often they are used in JPQL path expressions that navigate to values of simple types (number, boolean
Manual
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ORDER BY clause (JPQL / Criteria API)

Expressions The following query returns names of countries whose population size ... . Then the SELECT clause builds the results by evaluating the result expressions. Finally the results are ordered by evaluation of the the ORDER BY expressions. Only expressions that are derived