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Query parameters enable the definition of reusable queries. Such queries can be executed with different parameter values to retrieve different results. Running the same query multiple times with different parameter values (arguments) is more efficient than using a new query string

Interface Parameter<T> parameter objects. Since: Parameter/getName" title="Method of javax.persistence.Parameter">getName

">ParameterExpression<T> parameter(  Class<T> paramClass,   String name) Create a parameter expression with the given name. parameters"> Parameters:

Parameter" title="Interface in javax.persistence">javax.persistence.ParameterInteger getPosition() Return the parameter position, or null if the parameter is not a positional parameter

;String candidateCollectionExpression,   String... parameters) parameter instance is unmodified as a result of the addSubquery or subsequent execution of the outer ... the candidate class, filter, parameter declarations, variable declarations, imports, ordering

.QueryObject executeWithArray(  Object... parameters)Collection . The execution of the query obtains the values of the parameters and matches them against the declared parameters in order. The names of the declared parameters are ignored

.Queryvoid declareParameters(  String parameters) Declare the list of parameters query execution. The parameter declaration is a String containing one or more query parameter declarations

.QueryObject executeWithMap(  Map parameters) . The query is executed with the parameters set by the Map values. Each Map entry consists of a key which is the name of the parameter in

;String candidateCollectionExpression,   Map parameters) parameter in the subquery, with or without the leading ... is the empty String for either the parameter or the value of the String[], or for any map key or value

;String candidateCollectionExpression,   String parameter) parameter implictly or explicitly declared in the subquery. parameters"> Parameters: sub