The textbook describes five trends in the 1980s and 90s that influenced the transition to end-user computing. They include: increased backlog in requests for new applications; increase in the number of knowledge workers; availability of inexpensive personal computers; the development of graphical user interfaces, and availability of inexpensive ____________________.
Fill in the blank(s) with the appropriate word(s).
productivity software
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Which of the following statements is false?
a. Java makes concurrency available to you through the language and APIs. b. Concurrency is a subset of parallelism. c. Today’s multi-core computers have multiple processors that can perform tasks in parallel. d. Java programs can have multiple threads of execution, where each thread has its own method-call stack and program counter, allowing it to execute concurrently with other threads. This capability is called multithreading.
The ________ algorithm uses recursion to sort an array.
A) shell sort B) quick sort C) binary sort D) red/black sort E) None of the above
Modify the application you devel- oped in Exercise 11.17 to calculate the yearly salary every time one of the JSpinner’s values is changed. The user specifies the amount of the annual raise (as a percentage) and the num- bers of years for which the raise applies in the application. The application should run as shown in Fig. 13.26.
a) Copying the template to your working directory. Copy the C:Examples Tutorial13ExercisesPayRaise2 directory to your C:SimplyJava directory.
b) Opening the template file. Open the PayRaise.java file in your text editor.
c) Handling the stateChanged event for raiseJSpinner. Add code to the state- Changed event handler for raiseJSpinner to call method raiseJSpinnerState- Changed. This method must then be declared and it should call calculateWages.
d) Handling the stateChanged event for yearsJSpinner. Add code to the state- Changed event handler for yearsJSpinner to call method yearsJSpinnerState- Changed. This method must then be declared and it should call calculateWages.
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
All of the following are CSS length units except ____
A. cm B. cx C. em D. ex