Which of the following statements is false?
a. A graphical user interface (GUI) presents a user-friendly mechanism for interacting with an app. A GUI (pronounced “GOO-ee”) gives an app a distinctive “look-and-feel.”.
b. GUIs are built from GUI components—sometimes called controls or widgets.
c. Providing different apps with consistent, intuitive user-interface components gives users a sense of familiarity with a new app, so that they can learn it more quickly and use it more productively.
d. All of the above statements are true.
D
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Which is the output of the following statements?
System.out.print("Hello "); System.out.println("World"); a. Hello World b. HelloWorld c. Hello World d. World Hello
In Tutorial 15, your Lottery Picker application selected numbers for four different types of lotteries. In this exercise, you enhance the Lottery Picker to select four different sets of number for the five-number lottery and to pre- vent duplicate numbers from being selected (Fig. 17.34). Recall that the lottery is played as follows:
? Five-number lotteries require players to choose five unique numbers in the range of 0–39. 
a) Copying the template to your work directory. Copy the C:ExamplesTutorial17 ExercisesEnhancedLotteryPicker directory to your C:SimplyJava directory.
b) Opening the template file. Open the LotteryPicker.java file in your text editor.
c) Iterating over the four lotteries. Add code on line 138 to begin a for statement in your application which will execute four times—once for each lottery. Use variable lottery as the for statement’s counter.
d) Initialize the boolean array. To generate unique numbers in each lottery, you will use a two-dimensional boolean array, uniqueNumber (declared for you in the tem- plate). When a number has been selected for a lottery, the value of that variable in the array (indexed by the lottery and the number selected) will be true. First, you must initialize the value for the lottery’s numbers to false. Add a nested for state-
ment to set the
When we use the word ____________________, we mean someone who suffers from a dissocial personality disorder.
Fill in the blank(s) with the appropriate word(s).
_____ is a process to quickly copy data from an external file into an Access database.
Fill in the blank(s) with the appropriate word(s).