Match the following terms with their descriptions:I.Database DocumenterII.Performance AnalyzerIII.Table AnalyzerIV.Navigation formV.Functional dependencyA.Makes recommendations for optimizing a databaseB.Report containing detailed information for each selected objectC.Tabbed menu making the database easier to useD.Normalizes database tablesE.Condition that occurs when the value of one field is determined by the value of another
Fill in the blank(s) with the appropriate word(s).
B, A, D, C, E
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Search the web for “Open Source C++.”. List three open source implementations and state their purpose.
What will be an ideal response?
When UNIX is booted, a process named __________ is activated.
a. start b. exec c. init d. wait
What are the differences between a linked list and a stack?
Fill in the blank(s) with the appropriate word(s).
(Simple Calculator Application) In this exercise, you will add functionality to a simple calculator application. The calculator will allow a user to enter two numbers in the input JTextFields. There will be four JButtons, labeled +, -, / and *. When the user clicks the JButton labeled as + (addition), - (subtraction), * (multiplication) or / (division), the applica- tion will perform that operation on the numbers in the Enter first number: and Enter second number: input JTextFields and display the resultin the Result: output JTextField. Figure 5.34 displays the completed calculator.
a) Copying the template to your working directory. Copy the C:Examples Tutorial05ExercisesSimpleCalculator directory to your C:SimplyJava directory.
b) Opening the template file. Open the SimpleCalculator.java file in your text editor. c) Code the + JButton event handler. Scroll to the addJButtonActionPerformed
event handler (lines 215–218). After line 216 insert statements that obtain the user
input from firstNumberJTextField and secondNumberJTextField, convert those numbers to int values and assign the numbers to int variables number1 and number2, respectively. Next, insert a statement that adds the numbers and assigns the result to int variable result. Finally, insert a statement that displays the value of result in resultJTextField.
d) Code the - JButton event handler. Locate the subtractJButtonActionPerformed event handler (immediately following addJButtonActionPerformed). In the body of the event handler, insert statements that obtain the use