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3

javax.persistence.TransactionRequiredException

crunch(int[] a) { mash(a); } static void mash(int[] b
3

substring(x, from, len)

Method javax.persistence.criteria.CriteriaBuilder Expression<String> substring( Expression<String> x, int from, int len ) Create an expression for substring extraction. Extracts a substring of given length starting at the specified position. First position is 1. Parameters: x - string expression
3

javax.persistence.EntityExistsException

); } static void crunch(int[] a) { mash(a); } static void mash(int[] b
0

replacingIntField(pc, field)

Method javax.jdo.spi.StateManager int replacingIntField( PersistenceCapable pc, int field ) The replacement value of the field in the calling instance. Parameters: pc - the calling PersistenceCapable instance field - the field number Returns: the new value for the field Since: JDO 1.0
0

javax.jdo.JDOObjectNotFoundException

); } static void crunch(int[] a) { mash(a); } static void mash(int[] b
0

providedIntField(pc, field, currentValue)

Method javax.jdo.spi.StateManager void providedIntField( PersistenceCapable pc, int field, int currentValue ) The value of the field requested to be provided to the StateManager. Parameters: pc - the calling PersistenceCapable instance field - the field number currentValue - the current value of the field Since: JDO 1.0
0

fetchIntField(fieldNumber)

Method javax.jdo.spi.PersistenceCapable.ObjectIdFieldSupplier int fetchIntField( int fieldNumber ) Fetch one field from the field manager. This field will be stored in the proper field of the ObjectId. Parameters: fieldNumber - the field number of the key field. Returns: the value of the field to be stored into the ObjectId. Since: JDO 1.0
0

javax.jdo.JDOUnsupportedOptionException

void main(String[] args) { crunch(null); } static void crunch(int[] a) { mash(a); } static void mash(int[] b) { System.out.println(b[0
0

javax.jdo.JDOUserCallbackException

(null); } static void crunch(int[] a) { mash(a); } static void mash(int
0

printStackTrace()

[] args) { crunch(null); } static void crunch(int[] a) { mash(a); } static void mash(int[] b) { System.out.println(b[0]); } } The backtrace

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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