¡@
java Programming Glossary: getbarHow to reference a generic return type with multiple bounds http://stackoverflow.com/questions/14464226/how-to-reference-a-generic-return-type-with-multiple-bounds mFoo val mBar val public Foo getFoo return mFoo public Bar getBar return mBar Did Java really invent such a nice feature but..
Java Enums: Two enum types, each containing references to each other? http://stackoverflow.com/questions/1506410/java-enums-two-enum-types-each-containing-references-to-each-other but that feels fairly hackish to me. I could also make Foo.getBar and Bar.getFoo methods that refer to the external map so it.. class EnumTest public enum Foo A @Override public Bar getBar return Bar.Alpha B @Override public Bar getBar return Bar.Delta.. Bar getBar return Bar.Alpha B @Override public Bar getBar return Bar.Delta C @Override public Bar getBar return Bar.Alpha..
JPA cascade persist and references to detached entities throws PersistentObjectException. Why? http://stackoverflow.com/questions/4294671/jpa-cascade-persist-and-references-to-detached-entities-throws-persistentobjecte cascade PERSIST MERGE REFRESH fetch EAGER public Bar getBar return bar When I persist a new Foo it can get a reference.. necessitates code like this prior to persisting if foo.getBar .getID null entityManager.contains foo.getBar foo.setBar entityManager.merge.. if foo.getBar .getID null entityManager.contains foo.getBar foo.setBar entityManager.merge foo.getUBar entityManager.persist..
How to inject entire managed bean via @ManagedProperty annotation? http://stackoverflow.com/questions/5165567/how-to-inject-entire-managed-bean-via-managedproperty-annotation private Bar bar add setters and getters for bar public Bar getBar return this.bar public void setBar Bar bar this.bar bar When..
Is the C# “explicit implementation” of the interface present in Java? http://stackoverflow.com/questions/573621/is-the-c-sharp-explicit-implementation-of-the-interface-present-in-java okay. For instance this is fine interface Foo Object getBar public class Test implements Foo @Override public String getBar.. public class Test implements Foo @Override public String getBar return hi C# wouldn't allow that and one of the ways around..
http://stackoverflow.com/questions/767277/hibernate-and-no-pk bar private String bat @Column name bar public String getBar return bar public void setBar String bar this.bar bar @Column.. bar private String bat @Column name bar public String getBar return bar public void setBar String bar this.bar bar @Column..
|