¡@
java Programming Glossary: obIn Java, why must equals() and hashCode() be consistent? http://stackoverflow.com/questions/1678205/in-java-why-must-equals-and-hashcode-be-consistent a simple example where if this is violated it'll cause a problem I think it has something to do with if you use that class.. int hashCode return n m public boolean equals Object ob if ob.getClass Test.class return false Test other Test ob return.. int hashCode return n m public boolean equals Object ob if ob.getClass Test.class return false Test other Test ob return m..
http://stackoverflow.com/questions/2343620/linkedlist-remove-an-object remove an object Is this a valid way to find and remove item from a LinkedList.. is it possible that inconsistency may arise for ObjectType ob obList if ob.getId id obList.remove ob break java linked list.. it possible that inconsistency may arise for ObjectType ob obList if ob.getId id obList.remove ob break java linked list..
how we check for null array in java http://stackoverflow.com/questions/2369967/how-we-check-for-null-array-in-java or Object arr new Object 10 boolean empty true for Object ob arr if ob null empty false break share improve this answer..
Object equality in context of hibernate / webapp http://stackoverflow.com/questions/2719877/object-equality-in-context-of-hibernate-webapp equality in context of hibernate webapp How do you handle object equality for java objects managed by hibernate In the 'hibernate.. webapp How do you handle object equality for java objects managed by hibernate In the 'hibernate in action' book.. use all fields in the equals and hashCode functions. The problem is that those fields change during the lifetime ob the object...
http://stackoverflow.com/questions/5309136/sorting-of-arraylist in arraylist itemListWithRank there are lots of type of objects values those all are different. And one value from them.. arraylist share improve this question Make them all object of a type. either design a common Base class or an Interface.. protected long rank accessors methods assumed that all the objects in arraylist are SortableFields now Now Collections.sort..
Android Performance - 'Avoid Internal Getters/Setters' http://stackoverflow.com/questions/6716442/android-performance-avoid-internal-getters-setters instance field lookups. It's reasonable to follow common object oriented programming practices and have getters and setters.. return innerObject But what about access from another object public class SecondObject public void doSecondSomething.. class SecondObject public void doSecondSomething MyObject ob new MyObject Object inner This is my question basically from..
How to disable Java security manager? http://stackoverflow.com/questions/762459/how-to-disable-java-security-manager with source code of db4o. It uses reflection to persist objects and it seems that security manager doesn't allow reflection.. container Db4o.openFile DB_FILE_NAME String ob new String test container.store ob ObjectSet result container.queryByExample.. DB_FILE_NAME String ob new String test container.store ob ObjectSet result container.queryByExample String.class System.out.println..
|