Which of the following is false?
a. A JPasswordField shows that characters are being entered, but hides the actual character with an echo character.
b. Class JTextField extends JTextComponent; Class JPasswordField extends JTextField.
c. Both JTextFields and JPasswordFields are single-line areas in which the user can enter text via the keyboard.
d. JPasswordFields generate events; JTextFields do not.
d. JPasswordFields generate events; JTextFields do not.
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Answer the following statements true (T) or false (F)
1. When designing an object-oriented application, one of your first tasks is to identify the classes that you will need to create. 2. All of the nouns that appear in the problem description should become classes. 3. When finding the classes in a problem description, sometimes a plural noun will indicate a class and a singular noun will indicate an object. 4. Once the classes have been identified in a problem description, the next task is to identify each class's responsibilities.
Match each item with a statement below.
A. can span more than one hard drive B. used to enhance the amount of RAM in a system C. rearranges files on the drive into as few segments as possible D. an extra copy of a data or software file that you can use if the original file becomes damaged or destroyed E. a volume that can be accessed by way of a folder on another volume so that the folder has more available space F. searches for bad sectors on a volume and recovers the data from them if possible G. a hidden file stored in the root directory of drive C H. can be partitioned and formatted as a stand-alone hard drive I. snapshots of the system and include Windows system files that have changed J. the overall structure an OS uses to name, store, and organize files on a drive
When creating a two-variable data table, the formula or reference should be placed in the ________
Fill in the blank(s) with correct word
Scripting language or script code fragments can be embedded in _______ to make those pages active rather than static.
Fill in the blank(s) with the appropriate word(s).