Instead of decorating an edge with just a weight (a double), Felice needs a weight (a double representing distance), a route number (an int), and a name (a String). What changes have to be made to the interface to support this? What changes need to be made to the internal representation of vertices and edges?
What will be an ideal response?
The situation here is similar to that described in the last question and the answer is similar. Another possibility is to add a new type specifier to the definition of WeightedGraph, something like:
public interface WeightedGraph
and change the methods accordingly. For example,
W getEdgeWeight( Vertex
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When overriding a superclass method and calling the superclass version from the subclass method, failure to prefix the superclass method name with the keyword super and a dot (.) in the superclass method call causes ________.
a. a compile-time error. b. a syntax error. c. infinite recursion. d. a runtime error.
What is meant by the saying, “C++ arrays are zero indexed.”. ?
A. The first element of a C++ array is accessed using zero as an index. B. The first element of a C++ array must contain the value of zero. C. C++ arrays have pointers to the location at [1]. D. Zero indexing is an object-oriented term; therefore, it applies to arrays.
Gabe is concerned about the security of passwords used as a cornerstone of his organization's information security program. Which one of the following controls would provide the greatest improvement in Gabe's ability to authenticate users?
A. More complex passwords B. User education against social engineering C. Multifactor authentication D. Addition of security questions based on personal knowledge
A support agent who can empathize with a user is one who understands the problem or question from the user's point of view.
Answer the following statement true (T) or false (F)