Find the error(s) in each of the following and explain how to correct the error(s). a) JMenubar b; b) mySlider = JSlider( 1000 , 222 , 100 , 450 ); c) gbc.fill = GridBagConstraints.NORTHWEST ; // set...

a) JMenubar b;

b) mySlider = JSlider(1000,
222,
100,
450);

c) gbc.fill =
GridBagConstraints.NORTHWEST; // set fill

d) // override to paint on a customized Swing component

public void
paintcomponent(Graphics g)

{

g.drawString("HELLO",
50,
50);

}

e) // create a JFrame and display it

JFrame f =
new
JFrame("A Window");

f.setVisible(true);