单项选择题

现有:
packagemypack;
importjava.awt.Color;
importjava.awt.FlowLayout;
importjavax.swing.JButton;
importjavax.swing.JFrame;
importjavax.swing.JPanel;
publicclassButtListextendsJFrame{
publicstaticvoidmain(String[]args){
ButtListbl=newButtList();}
ButtList(){
JPanelpl=newJPanel();
pl.setBackground(Color.pink);
p1.add(newJButton("one"));
p1.add(newJButton("Two"));
p1.add(newJButton("Three"));
add("South",p1);
setLayout(newFl.wLayout());
setSize(200,200);
setVisible(true);}}
上述代码运行后的显示效果是哪项?()

A.awt.Color;
B.awt.FlowLayout;
C.swing.JButton;
D.swing.JFrame;
E.swing.JPanel;
F.setBackground(Color.pink);
G.add(newJButton("one"));
H.add(newJButton("Two"));
I.add(newJButton("Three"));
J.wLayout());
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