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superclass造句
1. From there, you can add the name and superclass. 2. But remember that the superclass is in progress. 3. Click'Continue'without specifying a Superclass if the new class is a root class. 4. This abstract class is the superclass of all classes representing an output stream of bytes. 5. Just as you sometimes want to call on superclass methods in an inherited method, you also sometimes want to call on less specific rules within a dispatcher. 6. Likewise, you almost always call a superclass method at either the start or end of a descendent method body. 7. You can also specify a helper superclass for an individual script in the functional test script properties page. 8. Eclipse writes the superclass automagically with its new methods and alters the sibling classes to use the new superclass. 9. Implement a superclass Person . Make two classes, Student and Instructor , that inherit from Person. 10. But when all we know about our superclass is that it's some instantiation of a type parameter, we have no idea what constructors will be available for a given instantiation. 11. When a method accepts a superclass instance, yet uses the derived type of this instance to control its behavior, changes are required for the introduction of each new subclass. 12. Superclass methods -- no additional instance needed at run time. 13. Moving an operation from one class to another yields the same result unless the operation is moved to a superclass and is still visible from the class where it is invoked. 14. The best remedy in this case is to move those referenced fields to the superclass,[/superclass.html] too. 15. Therefore the class of generalized precedence grammar is a superclass of the weak precedence grammar. 16. It is essential that the handler invoke methods in the superclass rather than methods in the overriding module (see Listing 9). 17. If two classes need to support the same interface, they should both extend the same superclass. 18. So before an object is created, another object of the same class or of its superclass must be constructed. 19. If you have more than three, or more than seven subclasses of a single exception superclass, my bet is that something is wrong. 20. Template methods can be provided by the implementer, who must not forget that the superclass can potentially have implemented its template methods. 21. The default constructor invoked the no - arg constructor of the superclass. 22. In the object-oriented version, I extracted duplicated methods, moving them to a superclass along with a protected field. 23. The second part of the class signature (following the closing angle bracket) gives the superclass and superinterface (if any) signatures. 24. So, if any of those methods contain references to any fields in the original class, you get a compiler error because they are invisible to the superclass. 25. Earlier, I gave an example of upper bounds; lower bounds are similar, but they are defined by specifying a type of which the supplied type must be a superinterface or superclass. 26. JavaClass defines methods to get the field and method information for the class, as well as structural information about superclass and interfaces. 27. In the example shown here, the constructor accepts a string that represent the superclass name.