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public class P {
public static void main(String[] args){
String pattern="000";
java.text.DecimalFormat df = new java.text.DecimalFormat(pattern);
int i = 10,j=6;
System.out.println("i="+df.format(i)+"\nj="+df.format(j));
}
}
---------------------Êä³ö-----------------------
i=010
j=006


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class SyncStack{ //ͬ²½¶ÑÕ»Àà
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¡¡¡¡¡¡private char []buffer = new char[6]; //¶ÑÕ»ÓÐ6¸ö×Ö·ûµÄ¿Õ¼ä
¡¡¡¡¡¡public synchronized void push(char c){ //¼ÓÉ ......

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public class TicketWindow {
 public static void main(String args[]) {
  Ticket ticket = new Ticket();
  Thread w1 = new Thread(ticket, "1ºÅÊÛÆ±´°¿Ú");
  Thread w2 = new Thread(ticket, "2ºÅÊÛÆ±´°¿Ú");
  Thread w3 ......
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