null class meaning in Hindi

Examples

1. This is not the same as the class of all null classes
2. So what exactly is the Russellian null class?
3. This null class-of-classes
4. %: the class of all null classes is destined to become " 0 "; see below.
5. Note, that NOT having a null class at all is an important feature, in contrast to languages where " anything is a reference " ( e . g.
6. As with C + +, a null class can be instantiated in situations where a reference to an Animal object is required, but there is no appropriate object available.
7. But this is visually confusing, especially with regards to the null class, so a dashed vertical line at each end of the collection will be used to symbolize the collection-as-aggregate:
8. As with C + + and related languages, that special null class must be created for each class hierarchy that needs a null object, since a NullAnimal is of no use when what is needed is a null object that does not implement the Animal interface.
9. The special null class must be created for each class hierarchy that is to have a null object, since a null _ animal is of no use when what is needed is a null object with regard to some widget base class that is not related to the animal hierarchy.
10. Russell says that " A class is said to " exist " when it has at least one member . . . the class which has no members is called the " null class " . . . " ? is the null-class " is equivalent to " ? does not exist ".