El material de certificación SCWCD 310-083 y la denominación es Sun Certified Web Component Developer for J2EE 5 , estuvieron actualizadas 226 Preguntas y Respuestas. el material sacado del real se ha recopilado y colado por profesores y especialistas de Prometic/Vue.
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Por ejemplo
The sl:shoppingList and sl:item tags output a shopping list to the response and are used as follows:
11. <sl:shoppingList>
12. <sl:item name="Bread" />
13. <sl:item name="Milk" />
14. <sl:item name="Eggs" />
15. </sl:shoppingList>
The tag handler for sl:shoppingList is ShoppingListTag and the tag handler for sl:item is ItemSimpleTag.
ShoppingListTag extends BodyTagSupport and ItemSimpleTag extends SimpleTagSupport.
Which is true?
A. ItemSimpleTag can find the enclosing instance of ShoppingListTag by calling getParent() and casting
the result to ShoppingListTag.
B. ShoppingListTag can find the child instances of ItemSimpleTag by calling super.getChildren() and
casting each to an ItemSimpleTag.
C. It is impossible for ItemSimpleTag and ShoppingListTag to find each other in a tag hierarchy because
one is a Simple tag and the other is a Classic tag.
D. ShoppingListTag can find the child instances of ItemSimpleTag by calling getChildren() on the
PageContext and casting each to an ItemSimpleTag.
E. ItemSimpleTag can find the enclosing instance of ShoppingListTag by calling findAncestorWithClass()
on the PageContext and casting the result to ShoppingListTag.
Answer: A
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