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class Example5_1
{
public static void main(String args[])
{
String s1,s2;
s1=new String("we are students");
s2=new String("we are students");
System.out.println(s1.equals(s2)); //Êä³ö½á¹ûÊÇ£ºtrue¡£
System.out.println(s1==s2); //Êä³ö½á¹ûÊÇ£ºfalse
String s3,s4;
s3="how are you";
s4="how are you";
System.out.println(s3.equals(s4)); //Êä³ö½á¹ûÊÇ£ºtrue¡£
System.out.println(s3==s4); //Êä³ö½á¹ûÊÇ£ºtrue¡£
}
}
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package
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 //¼ÆËãÌìÊý
 public List day(String dates,String datee) throws ParseException{
  List dayls=new ArrayList();
  // ×Ö·û´®×ª»»³ÉÈÕÆÚ
  SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
  Date startDate = format.parse(dates);
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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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