Define an exception class called DimensionException to use in the driver program from Programming Project 4 in Chapter 8. Modify that driver program to throw and catch a DimensionException if the user enters something less than or equal to zero for a dimension.
This project is fairly simple. The DimensionException class is written to accept a String and an integer so the message can be more helpful (it can display which dimension is invalid and its value). The MoreGraphicsDemo program from Chapter 8 Programming Project 4 is modified to create the version using DimensionException and to be interactive so the exception code can be exercised.
See the code in DimensionException.java, DimensionExceptionDemo.java, SquarePr7.java, Rectangle.java, and RightTriangle.java. Uses ShapeBase.java.
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Create a movie with the turtle moving across the frames of a movie of a blowhole in directory mediasources/blowhole.
What will be an ideal response?
The ________ normal form requires that the table has to be free of transitive dependencies
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(Bubble Sort) Implement bubble sort—another simple yet inefficient sorting technique. It is called bubble sort or sinking sort because smaller values gradually “bubble” their way to the top of the vector (i.e., toward the first element) like air bubbles rising in water, while the larger values sink to the bottom (end) of the vector. The technique uses nested loops to make several passes
through the vector. Each pass compares successive pairs of elements. If a pair is in increasing order (or the values are equal), the bubble sort leaves the values as they are. If a pair is in decreasing order, the bubble sort swaps their values in the vector. The first pass compares the first two element values of the vector and swaps them if necessary. It then compares the second and third element values in the vector. The end of this pass compares the last two element values in the vector and swaps them if necessary. After one pass, the largest value will be in the last element. After two passes, the largest two values will be in the last two ele- ments. Explain why bubble sort is an O(n2) algorithm. What will be an ideal response?
Newsletters often include ________ columns
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