-
Notifications
You must be signed in to change notification settings - Fork 79
Expand file tree
/
Copy pathLocalInnerClassTest.java
More file actions
52 lines (48 loc) · 1.26 KB
/
Copy pathLocalInnerClassTest.java
File metadata and controls
52 lines (48 loc) · 1.26 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
package localInnerClass;
import java.awt.*;
import java.awt.event.*;
import java.util.*;
import javax.swing.*;
import javax.swing.Timer;
/**
* This program demonstrates the use of local inner classes.
* @version 1.00 2004-02-27
* @author Cay Horstmann
*/
public class LocalInnerClassTest
{
public static void main(String[] args)
{
TalkingClock clock = new TalkingClock();
clock.start(1000, true);
// keep program running until user selects "Ok"
JOptionPane.showMessageDialog(null, "Quit program?");
System.exit(0);
}
}
/**
* A clock that prints the time in regular intervals.
*/
class TalkingClock
{
/**
* Starts the clock.
* @param interval the interval between messages (in milliseconds)
* @param beep true if the clock should beep
*/
public void start(int interval, final boolean beep)
{
class TimePrinter implements ActionListener
{
public void actionPerformed(ActionEvent event)
{
Date now = new Date();
System.out.println("At the tone, the time is " + now);
if (beep) Toolkit.getDefaultToolkit().beep();
}
}
ActionListener listener = new TimePrinter();
Timer t = new Timer(interval, listener);
t.start();
}
}