When a macro is associated with a macro group, it cannot be run using the Run Macro button on the Database Tools tab

Indicate whether the statement is true or false


FALSE

Computer Science & Information Technology

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The __________ function will return the number of characters in a given string.

Fill in the blank(s) with correct word

Computer Science & Information Technology

Discuss the similarities to different patterns used in software engineering. Which pattern fits best?

Adapter pattern – Modelling

A new instrument (AnalogSpeedometer) from a legacy system has to be integrated into

Asteroids (see Figure 1). The existing class AnalogSpeedometer must not be changed.

Therefore an Adapter pattern should be used. Integrate the AnalogSpeedometer into the

existing model.



2) Pattern abstraction



3) Dynamical model

Model the dynamical behaviour of incrementing the speed in a sequence diagram.

Consider the following classes and actors:

AnalogSpeedometer, SpaceShuttleController, “the adapter”, SpaceShuttle, User.

4) Adapter pattern (programming assignment)

Integrate the AnalogSpeedometer by applying the adapter pattern without modifying it

and with minimal modifications to other classes.

Computer Science & Information Technology

Create the classes RightTriangle and Rectangle, each of which is derived from the abstract class ShapeBase in Listing 8.19. Then derive a class Square

from the class Rectangle. Each of these three derived classes will have two additional methods to calculate area and circumference, as well as the inherited methods. Do not forget to override the method drawHere. Give your classes a reasonable complement of constructors and accessor methods. The Square class should include only one dimension, the side, and should automatically set the height and width to the length of the side. You can use dimensions in terms of the character width and line spacing even though they are undoubtedly unequal, so a square will not look square (just as a Rectangle object, as discussed in this chapter, won’t look square.) Write a driver program that tests all your methods. This project is most easily written by modifying the programs in the text. Base RightTriangle.java on Triangle.java (Listing 8.14), Rectangle.java on Rectangle.java (Listing 8.13), and MoreGraphicsDemo.java on TreeDemo.java (Listing 8.15). Square.java is derived from Rectangle, so it is just a matter of using the parent’s methods with both height and width set to the length of the side of the square. Note that special attention is required to draw the correct figures when the base, width, or height values are either 0 or 1.

Computer Science & Information Technology

If a field is found in a query then it must be included in any report based on that query. If you do not want the field displayed, you can set its view property to hidden

Indicate whether the statement is true or false

Computer Science & Information Technology