?? clock.java
字號(hào):
import java.awt.*;import java.util.*;import java.applet.*;import java.text.*;public class Clock extends java.applet.Applet implements Runnable { private volatile Thread clockThread = null; DateFormat formatter; // Formats the date displayed String lastdate; // String to hold date displayed Date currentDate; // Used to get date to display Color numberColor; // Color of numbers Font clockFaceFont; Locale locale; public void init() { setBackground(Color.white); numberColor = Color.red; locale = Locale.getDefault(); formatter = DateFormat.getDateTimeInstance(DateFormat.FULL, DateFormat.MEDIUM, locale); currentDate = new Date(); lastdate = formatter.format(currentDate); clockFaceFont = new Font("Sans-Serif", Font.PLAIN, 14); resize(275,25); } public void start() { if (clockThread == null) { clockThread = new Thread(this, "Clock"); clockThread.start(); } } public void run() { Thread myThread = Thread.currentThread(); while (clockThread == myThread) { repaint(); try { Thread.sleep(1000); } catch (InterruptedException e){ } } } public void paint(Graphics g) { String today; currentDate = new Date(); formatter = DateFormat.getDateTimeInstance(DateFormat.FULL, DateFormat.MEDIUM, locale); today = formatter.format(currentDate); g.setFont(clockFaceFont); // Erase and redraw g.setColor(getBackground()); g.drawString(lastdate, 0, 12); g.setColor(numberColor); g.drawString(today, 0, 12); lastdate = today; currentDate=null; } public void stop() { clockThread = null; }}?? 快捷鍵說(shuō)明
復(fù)制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號(hào)
Ctrl + =
減小字號(hào)
Ctrl + -