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42

java.lang.RuntimeException

java.lang Exception RuntimeException java.lang.Object java.lang.Throwable java.lang.Exception java.lang.RuntimeException Implemented Interfaces: Serializable Subclasses ... . Since: Java JDK1.0 See Also: java.lang.Throwable.printStackTrace() Throwable getCause() Returns
39

java.security.BasicPermission

java.security Class BasicPermission java.lang.Object java.security.Permission java.security.BasicPermission Implemented Interfaces: Serializable, Guard Subclasses: JDOPermission BasicPermission(String arg0) Parameters: arg0 - BasicPermission(String arg0, String arg1) Parameters: arg0
39

java.util.EventObject

java.util Class EventObject java.lang.Object java.util.EventObject Implemented Interfaces: Serializable Subclasses: InstanceLifecycleEvent, RegisterClassEvent EventObject(Object arg0) Parameters: arg0 - Object getSource() String toString()
39

java.security.Permission

java.security Class Permission java.lang.Object java.security.Permission Implemented Interfaces: Serializable, Guard Subclasses: BasicPermission Permission(String arg0) Parameters: arg0 - void checkGuard(Object arg0) Parameters: arg0 - void checkGuard(Object arg0) Parameters: arg0 - boolean
38

java.lang.Iterable

java.lang Interface Iterable<T> Subinterfaces: Extent Iterator<T> iterator()
38

java.lang.Comparable

java.lang Interface Comparable<T> Implementing Classes: AccessType, PersistentAttributeType, BindableType, ByteIdentity, CacheRetrieveMode, CacheStoreMode, CascadeType, CharIdentity, Trimspec, DiscriminatorStrategy, DiscriminatorType, Enum, EnumType, FetchType, FlushModeType, ForeignKeyAction
38

java.io.Serializable

java.io Interface Serializable Subinterfaces: PersistenceManagerFactory, Query Implementing Classes: AccessType, PersistentAttributeType, BasicPermission, BindableType, ByteIdentity, CacheRetrieveMode, CacheStoreMode, CascadeType, CharIdentity, Trimspec, DiscriminatorStrategy, DiscriminatorType
38

java.security.Guard

java.security Interface Guard Implementing Classes: BasicPermission, JDOPermission, Permission void checkGuard(Object arg0) Parameters: arg0 -
38

java.io.Externalizable

java.io Interface Externalizable Superinterfaces: Serializable Implementing Classes: ByteIdentity, CharIdentity, IntIdentity, LongIdentity, ObjectIdentity, ShortIdentity, SingleFieldIdentity, StringIdentity void readExternal(ObjectInput arg0)throws IOException, ClassNotFoundException Parameters
3

printStackTrace()

Method java.lang.Throwable void printStackTrace() Prints this throwable and its backtrace ... , but the following example may be regarded as typical: java.lang.NullPointerException at MyClass.mash(MyClass.java:9) at MyClass.crunch(MyClass.java:6) at MyClass.main(MyClass.java:3

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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Which JPA is Faster?

 

See a comparison of Hibernate, EclipseLink, OpenJPA, DataNucleus, MySQL, PostgreSQL, Derby, HSQLDB, DB4O by Versant, H2 Database, SQLite and ObjectDB

in the JPA Benchmark.

Copyright © 2003, 2010, 2024  ObjectDB Software, all rights reserved. The JPA API Reference Documentation (JavaDoc) on this website is derived with some adjustments from the open source JPA 2 RI (EclipseLink) and is available under the terms of the Eclipse Public License, v. 1.0 and Eclipse Distribution License, v. 1.0. The JDO API Reference Documentation (JavaDoc) on this website is derived with some adjustments from the JDO 2.2 API and is available under the terms of the Apache License, v. 2.0. Images on this website are available under these licecnes. Documentation on this website explains how to use JPA in the context of the ObjectDB Object Database but mostly relevant also for ORM JPA implementations, such as Hibernate (and HQL), EclipseLink, TopLink, OpenJPA and DataNucleus. ObjectDB is not an ORM JPA implementation but an Object Database (ODBMS) for Java with built in JPA 2 support.