If I implement java.lang.Comparable for a class, do I still have to override the equals() method? Or will the Comparable work for equals as well?
This question already has answers here: Closed 11 years ago. Possible Duplicate: Java String.equals versus ==
I have just started using google\'s Guava collection (ComparisonChain and Objects).In my pojo I am overiding the equals method, so I did this first:
I need to implement equals() method for an Item that may be put in a hashset of it\'s Maker.The Item can have fields as below
Let\'s assume I h开发者_Python百科ave two objects called K and M if(K.Equals(M)) { } If that\'s true, K and M always has the same HashCode ?
I have a custom cla开发者_高级运维ss called Position. I want to use the following:- Set<Position> s=new HashSet<Position>();
Here is example: class 开发者_如何学CA { public long ParentId; public string ParentName; public string Name;
Given the following the classes: trait ModelWithId { var id: Long = 0 } case class EntityAttribute( val entityId: UUID,
I have created a value object MarketVO and two instances of this value object have same elements and same value for each element.
I have a class Player with some fields: String name; Point position; Action action; The \'name\' field is sort of a key, there cannot be 2 players with the same name. So it seems to me they are eq