import javax.swing.JOptionPane;
public class PredefinedClass {
public static void main(String[] args){
do{
String input = JOptionPane.showInputDialog("Enter a character:");
我已经生成了一个JDialog在以下线路上使用JOption C'tor的: Object[] options =
{
"Yes", "No (Exit to main menu)"
};
JOptionPane messagePane = new JOptionPane(i_StringMessage+"\nDo you want to begi