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javax.persistence.criteria.Subquery

upon the expression, returning a new expression object. Perform a typecast upon the expression, returning a new expression object. This method does not cause type conversion: the runtime type is not changed ... root Since: JPA 2.0 Join<X,Y> correlate( Join<X,Y> parentJoin) Create a subquery join object
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javax.jdo.identity.ObjectIdentity

javax.jdo.identity Class ObjectIdentity java.lang.Object javax.jdo.identity.SingleFieldIdentity ... , Comparable This class is for identity with a single Object type field. Since: JDO 1.0 ObjectIdentity ... ObjectIdentity(Class pcClass, Object param) Constructor with class and key. Constructor with class and key
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javax.jdo.JDOException

javax.jdo Exception JDOException java.lang.Object java.lang.Throwable java.lang ... and an optional failed object. Since: JDO 1.0 JDOException() Constructs a new JDOException ... (String msg, Object failed) Constructs a new JDOException with the specified detail message and failed
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javax.jdo.identity.ByteIdentity

javax.jdo.identity Class ByteIdentity java.lang.Object javax.jdo.identity.SingleFieldIdentity ... compareTo(T arg0) Parameters: arg0 - int compareTo(Object o) Determine the ordering of identity objects. Determine the ordering of identity objects. Parameters: o - Other identity Returns: The relative
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javax.jdo.JDOObjectNotFoundException

javax.jdo Exception JDOObjectNotFoundException java.lang.Object java.lang.Throwable ... : Serializable This class represents exceptions caused by the user accessing an object that does not exist in ... (String msg, Object failed) Constructs a new JDOObjectNotFoundException with the specified
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javax.jdo.identity.IntIdentity

javax.jdo.identity Class IntIdentity java.lang.Object javax.jdo.identity.SingleFieldIdentity ... : arg0 - int compareTo(Object o) Determine the ordering of identity objects. Determine the ordering of identity objects. Parameters: o - Other identity Returns: The relative ordering between the objects
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javax.jdo.identity.LongIdentity

javax.jdo.identity Class LongIdentity java.lang.Object javax.jdo.identity.SingleFieldIdentity ... : arg0 - int compareTo(Object o) Determine the ordering of identity objects. Determine the ordering of identity objects. Parameters: o - Other identity Returns: The relative ordering between
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javax.jdo.identity.CharIdentity

javax.jdo.identity Class CharIdentity java.lang.Object javax.jdo.identity.SingleFieldIdentity ... (Object o) Determine the ordering of identity objects. Determine the ordering of identity objects. Parameters: o - Other identity Returns: The relative ordering between the objects Since: JDO 2.2 boolean
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javax.jdo.identity.StringIdentity

javax.jdo.identity Class StringIdentity java.lang.Object javax.jdo.identity.SingleFieldIdentity ... compareTo(Object o) Determine the ordering of identity objects. Determine the ordering of identity objects. Parameters: o - Other identity Returns: The relative ordering between the objects Since: JDO 2
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javax.jdo.identity.ShortIdentity

javax.jdo.identity Class ShortIdentity java.lang.Object javax.jdo.identity.SingleFieldIdentity ... ) Parameters: arg0 - int compareTo(Object o) Determine the ordering of identity objects. Determine the ordering of identity objects. Parameters: o - Other identity Returns: The relative ordering between

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

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