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
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Consider the Java code segment below: Polygon poly2 = new Polygon(); poly2.addPoint(100, 30); poly2.addPoint(100, 130); Which of the following will create a polygon that is a square?
a. poly2.addPoint(100, 60); poly2.addPoint(100, 130); b. poly2.addPoint(200, 130); poly2.addPoint(200, 30); c. poly2.addPoint(200, 60); poly2.addPoint(200, 130); d. poly2.addPoint(100, 130); poly2.addPoint(100, 230);