--%>
Assignment Help - homework help

Explain Downcast with example

Explain Downcast with example: It is a cast towards an object's dynamic kind - that is, `down' the inheritance hierarchy. For illustration:

       // Downcast from Object to String
        String s = (String) o;

   Related Questions in Programming Languages

  • Q : What is Pattern Pattern : It is a

    Pattern: It is a recurring theme in class usage or design. Interfaces like Iterator encapsulate a pattern of admission to the items in a collection, whereas freeing the client from the requirement to know details of the way in which the collection is

    		•
  • Q : Define Inner class Inner class : A

    Inner class: A class defined within an enclosing method or class. We use the word to refer to non-static nested classes.

    		•
  • Q : Define the term RGB Color Model Define

    Define the term RGB Color Model: It is a color model based on representing a color as three components: green, red, and blue.

    		•
  • Q : Write a recursive function intpower(base

    Write a recursive function intpower(base, exponent) that when invoked returns base^exponent. For example, intpower(3,4) = 3*3*3*3. Assume that the exponent is an integer greater than or equal to 1.

  • Q : What are collections and generics What

    What are collections and generics?

    		•
  • Q : How is an external entity reference

    While constructing an XML DTD, how do you make an external entity reference within an attribute value?

    		•
  • Q : Homework Assignment How much would it

    How much would it cost to do a basic program within the given requirements?

    		•
  • Q : Define Container Abstractions Container

    Container Abstractions: Abstractions for containers (such as lists, stacks, sets, or queues) may represent just the state of a container—e.g., full or empty—and abstract away from the actual container content. The list operations also need

    		•
  • Q : Reads a line of text and tests whether

    palindrome.asm -- reads a line of text and tests whether it is a palindrome. ## Register usage: ## $t1 - A. ## $t2 - B. ## $t3 - the character *A. ## $t4 - the character *B. ## $v0 - syscall parameter / return values. ## $a0 - s

    		•
  • Q : Uses of the Utilities.Trim function

    Some tools on the web page I am testing have leading or trailing whitespaces. I am utilizes the Utilities.Trim function to eliminate them, but sometimes this does not work. What is incorrect?

    		•