JFrame f;

MyFrame(){

f=new JFrame("ComboBox Example");

String country[]={"India","Aus","U.S.A","England","Newzealand"};

JComboBox cb=new JComboBox(country);

cb.setBounds(50, 50,90,20);

f.add(cb);

f.setLayout(null);

f.setSize(400,500);

f.setVisible(true);

f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

}

public static void main(String[] args) {

new MyFrame();

}