About getParameter

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JPA Doc
80

getParameter(name)

Method javax.persistence.Query Parameter getParameter(   String name ) Get the parameter object corresponding to the declared parameter of the given name. This method is not required to be supported for native queries. Parameters: name - parameter name Returns: parameter object Throws
JPA Doc
80

getParameter(name, type)

Method javax.persistence.Query Parameter getParameter(   String name,   Class type ) Get the parameter object corresponding to the declared parameter of the given name and type. This method is required to be supported for criteria queries only. Parameters: name - parameter name type - type
JPA Doc
80

getParameter(position)

Method javax.persistence.Query Parameter getParameter(   int position ) Get the parameter object corresponding to the declared positional parameter with the given position. This method is not required to be supported for native queries. Parameters: position - position Returns: parameter object
JPA Doc
80

getParameter(position, type)

Method javax.persistence.Query Parameter getParameter(   int position,   Class type ) Get the parameter object corresponding to the declared positional parameter with the given position and type. This method is not required to be supported by the provider. Parameters: position - position type
JPA Doc
80

getParameters()

Method javax.persistence.criteria.CriteriaQuery Set> getParameters() Return the parameters of the query. Returns empty set if there are no parameters. Modifications to the set do not affect the query. Returns: the query parameters Since: JPA 2.0
JPA Doc
80

getParameters()

Method javax.persistence.Query Set> getParameters() Get the parameter objects corresponding to the declared parameters of the query. Returns empty set if the query has no parameters. This method is not required to be supported for native queries. Returns: set of the parameter objects
Tutorial
21

Step 4: Add a Servlet Class

a new guest: String name = request.getParameter("name"); if (name != null
Tutorial
21

Step 4: Add a Controller Class

): String name = request.getParameter("name"); if (name != null
Tutorial
21

Step 4: Add a Servlet Class

.getParameter("name"); if (name != null) { em.getTransaction().begin
Tutorial
21

Step 4: Add a Servlet Class

, IOException { // Handle a new guest: String name = request.getParameter("name