How does polymorphism enable you to program “in the general” rather than “in the spe- cific”? Discuss the key advantages of programming “in the general.”
What will be an ideal response?
Polymorphism enables you to concentrate on the common operations that are ap- plied to objects of all the classes in a hierarchy. The general processing capabilities can be separated from any code that is specific to each class. Those general portions of the code can accommodate new classes without modification. In some polymorphic ap- plications, only the code that creates the objects needs to be modified to extend the system with new classes.
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When applied to an array a[] of integers, the pseudo code
``` Boolean sort = true int k = 0 While sort == true and k < a.length-1 If a[k] > a[k+1] Then sort = false End If k = k +1 End While ``` A) will sort the array a[ ] in ascending (nondecreasing) order B) will sort the array a[ ] in descending (nonincreasing) order C) will determine if the array is arranged in ascending order D) will determine if the array is arranged in descending order
The command to delete 5 lines in the file you are editing is:
a: dd5! b: 5dd c: 5delete d: del 5 e: d5
The ________ ________ feature in Word combines a data source and a main document into a set of customized letters or labels
Fill in the blank(s) with correct word
Match each of the following group to its tab:
I. Variants group II. Font group III. Shape Styles group IV. Media group V. Start Slide Show group A. Home tab B. Format tab C. Design tab D. Insert tab E. Slide Show