Text typed in a shape is left aligned within the shape
Indicate whether the statement is true or false
FALSE
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(Cell Phone GUI) In this exercise, you will adjust the size of the cell phone’s numeric keypad and the position of the keypad buttons so that they appear as shown in Fig. 2.41.
a) Copying the template to your working directory. Copy the C:Examples Tutorial02ExercisesPhone directory to your C:SimplyJava directory.
b) Opening the Command Prompt window and changing directories. Open the Com- mand Prompt by selecting Start > Programs > Accessories > Command Prompt. Change to your working directory by typing cd C:SimplyJavaPhone, then pressing Enter.
c) Compiling the template application. Compile your application by typing the com- mand javac Phone.java, then pressing Enter.
d) Running the template application. Run the application by typing java Phone. The
GUI of the Phone template application should appear as shown in Fig. 2.42.
e) Closing the application. Close the running application by clicking its close button.
This returns you to the Command Prompt window.
f) Opening the template file. Open the Phone.java file in your text editor.
g) Customizing the keypad JPanel. The keypad JPanel is too small for all the keypad buttons. Y
Write a program that accomplishes each of the following:
a) Create a user-defined class Point that contains the private integer data members xCoordinate and yCoordinate and declares stream insertion and stream extraction overloaded operator functions as friends of the class. b) Define the stream insertion and stream extraction operator functions. The stream extraction operator function should determine whether the data entered is valid, and, if not, it should set the failbit to indicate improper input. The stream insertion operator should not be able to display the point after an input error occurred. c) Write a main function that tests input and output of user-defined class Point, using the overloaded stream extraction and stream insertion operators.
Why should agencies monitor the status of their programs?
What will be an ideal response?
____ is the capability of deriving one class from another.
A. Polymorphism B. Inheritance C. Class construction D. Encapsulation