exerciseoptions.java

来自「这是我们写的考试系统！！java编写的！！不是很大！！希望有用」· Java 代码 · 共 39 行

import javax.swing.*;

public class ExerciseOptions{
	
	
	public static void main(String[] args){
		
		JFrame frame=new JFrame("ExerciseOptions");
		frame.setSize(200,200);
		frame.setVisible(true);
		
		JOptionPane.showMessageDialog(frame,"you have mail");
		JOptionPane.showMessageDialog(frame,"You are low on memory.","Apocalyptic nessage",JOptionPane.WARNING_MESSAGE);
		
		int result=JOptionPane.showConfirmDialog(null,"Do you want to remove Windows now?");
		switch(result){
			case JOptionPane.YES_OPTION: System.out.println("Yes"); break;
			case JOptionPane.NO_OPTION: System.out.println("NO"); break;
			case JOptionPane.CANCEL_OPTION: System.out.println("Cencel"); break;
			case JOptionPane.CLOSED_OPTION: System.out.println("Closed"); break;

		}
		
		String name=JOptionPane.showInputDialog(null, "Please enter yout name.");
		System.out.println(name);
		
		
		JTextField userField=new JTextField();
		JPasswordField passField=new JPasswordField();
		String message="Please enter your user name and password.";
		result=JOptionPane.showOptionDialog(frame,new Object[]{message,userField,passField},
						"Login",JOptionPane.OK_CANCEL_OPTION,JOptionPane.QUESTION_MESSAGE,null,null,null);
		if(result==JOptionPane.OK_OPTION)
		System.out.println(userField.getText()+" "+new String(passField.getPassword()));
		System.exit(0);
		
		
	}
}