The taskbar search box is labeled either Search the web and Windows or ________
A) Tell me what you want to do B) How can I help you
C) Ask me anything D) What do you want to do today
C
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Enhance the Interest Calculator application you built in this tutorial with error checking. Test whether the user has entered valid values for the principal and interest rate. If the user enters an invalid value, dis- play a message in a message dialog. Figure 10.30 demonstrates the application handling invalid input.
a) Copying the template to your working directory. Copy the C:Exam- plesTutorial10ExercisesInterestCalculatorEnhanced directory to your C:SimplyJava directory.
b) Opening the template file. Open the InterestCalculator.java file in your text editor.
c) Customizing the calculateJButtonActionPerformed method to handle invalid input. In line 143, enter a condition into the if statement that returns true when the principal or rate are negative, or when the rate is over 10.
d) Displaying the error message. In lines 145–147, display the message dialog shown in
Fig. 10.30. Use three lines for clarity.
e) Saving the application. Save your modified source code file.
f) Opening the Command Prompt window and changing directories. Open the Com- mand Prompt window by selecting Start > Programs > Accessories > Command Prompt. Change to your working directory by typing cd C:SimplyJavaInterest- CalculatorEnhanced.
g) Compiling the application. Compile your
An HVAC unit is used to identify a person based on biological data
Indicate whether the statement is true or false
A(n) ____________________ is an arrangement of placeholders that can hold text, graphics, and other slide content.
Fill in the blank(s) with the appropriate word(s).
Compare and contrast the private visibility modifier to the protected visibility modifier. Why is the protected visibility modifier a better choice in an inheritance hierarchy?
What will be an ideal response?