The mailing notation CONFIDENTIAL is ____.
A. keyed at the left margin at about 1" on the envelope
B. keyed at the right on the envelope below the stamp at about 1"
C. not keyed on the envelope
D. keyed on the letter one blank line below the letter address
Answer: A
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Before programmers decide which programming language to use or start writing code, they develop a complete description of the task the program needs to accomplish. This is called a ________
A) beta version B) programmer input C) program development life cycle (PDLC) D) problem statement
(To-Do List Application) Use a JTextArea as a to-do list. Enter each item in a JTextField, and add it to the JTextArea by clicking a JButton. The item should be displayed in a numbered list as in Fig. 8.27. To do this, you will need JTextArea method getLineCount, which returns the number of lines in a JTextArea. The following statement assigns the number of lines displayed in the outputJTextArea to int variable counter: getLineCount, which returns the number of lines in a JTextArea. The following statement assigns the number of lines displayed in the outputJTextArea to int variable counter:
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int counter = outputJTextArea.getLineCount();
```
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a) Copying the template to your working directory. Copy the directory C:Examples Tutorial08ExercisesToDoList to your C:SimplyJava directory.
b) Opening the template file. Open the ToDoList.java file in your text editor.
c) Adding code to the event handler for the Add JButton. Add code to the addJBut- tonActionPerformed event handler (which begins in line 82) to obtain the number of lines displayed in the outputJTextArea. Get the user input from taskJText- Field append it the outputJTextArea with a line number in front of it. After the input is added to the outputJTextArea, clear the taskJTextField.
d) Saving the application. Save your modified source code file.
e) Opening the Command Prompt window and changing directories. Open the Command Prompt window by selecting Start > Programs > Accessories > Command Prompt. Change to your working directory by typing cd C:SimplyJavaToDoList.
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Companies that want to sell ads on their websites or in their apps are called advertisers.
Answer the following statement true (T) or false (F)
The purpose of the purchase order is to
A. order goods from vendors B. record receipt of goods from vendors C. authorize the purchasing department to order goods D. approve payment for goods received