2 | isOptional()Method javax.persistence.metamodel.SingularAttribute boolean isOptional() Can the attribute be null. Returns: boolean indicating whether the attribute can be null 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 | jdoGetPersistenceManager() the associated PersistenceManager. Transient non-transactional instances return null. This method always delegates to the StateManager if it is non-null. Returns: the PersistenceManager associated with this instance. Since: JDO 1.0 |
0 | find(entityClass, primaryKey, lockMode, properties)-specific properties and hints Returns: the found entity instance or null if the entity does not exist ... argument is not a valid type for that entity's primary key or is null TransactionRequiredException |
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 | javax.jdo.spi.JDOPermission with the specified name and actions. The actions should be null; they are ignored. This constructor exists for use ... of the JDOPermission actions - should be null. Since: JDO 1.0 String getName() String toString() void checkGuard |
0 | JDOPermission(name, actions)Constructor javax.jdo.spi.JDOPermission JDOPermission( String name, String actions ) Constructs a JDOPermission with the specified name and actions. The actions should be null; they are ignored ... : name - the name of the JDOPermission actions - should be null. 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 |
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 |
