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2

getCause()

Method java.lang.Throwable Throwable getCause() Returns the cause of this throwable or null if the cause is nonexistent or unknown. (The cause is the throwable that caused this throwable ... of this throwable or null if the cause is nonexistent or unknown. Since: Java 1.4
2

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
2

javax.persistence.TupleElement

the alias assigned to the tuple element or null, if no alias has been assigned. Return the alias assigned to the tuple element or null, if no alias has been assigned. Returns: alias Since: JPA 2.0
0

printStackTrace()

[] args) { crunch(null); } static void crunch(int[] a) { mash ... for a throwable with an initialized, non-null cause should generally include the backtrace for the cause
0

getCause()

Method java.lang.Throwable Throwable getCause() Returns the cause of this throwable or null if the cause is nonexistent or unknown. (The cause is the throwable that caused this throwable ... of this throwable or null if the cause is nonexistent or unknown. Since: Java 1.4
0

jdoNewObjectIdInstance()

identity, or if the class is abstract, null is returned. For classes using single field identity ... initialized (not null), or a JDONullIdentityException is thrown. The instance returned is initialized
0

newInstance(pcClass, sm, oid)

the ObjectId. If the oid parameter is null, no key values are copied. The new instance ... . Returns: the new instance, or null if the class is not registered. Since: JDO 1.0 See Also: PersistenceCapable.jdoNewInstance(StateManager sm, Object oid)
0

javax.jdo.spi.I18NHelper

' class loader to find the bundle. Note, the specified class object must not be null. Parameters: cls ... , the specified class loader must not be null. Parameters: bundleName - the name of the bundle loader
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newObjectIdInstance(pcClass)

if the class is abstract, null is returned. Parameters: pcClass - the PersistenceCapable class. Returns: the new ObjectId instance, or null if the class is not registered. Since: JDO 1.0
0

printStackTrace()

[] args) { crunch(null); } static void crunch(int[] a) { mash ... for a throwable with an initialized, non-null cause should generally include the backtrace for the cause

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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