(Fill-in-the-Blanks) Fill in the blanks in each of the following statements: a) A JMenuItem that is a JMenu is called a(n)_______ . b) Method______ attaches a JMenuBar to a JFrame. c) Container...

a) A JMenuItem that is a JMenu is called a(n)_______ .

b) Method______ attaches a JMenuBar to a JFrame.

c) Container class______ has a default BoxLayout.

d) A(n)______ manages a set of child windows declared with class JInternalFrame.