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2. Calendar ¶ÔÏóµÄÈÝ´íÐÔ£¬Lenient ÉèÖà ÎÒÃÇÖªµÀÌØ¶¨µÄÔ·ÝÓв»Í¬µÄÈÕÆÚ£¬µ±Ò»¸öÓû§¸ø³ö´íÎóµÄÈÕÆÚʱ£¬Calendar ÈçºÎ´¦ÀíµÄÄØ£¿ import java.io.*;
import java.util.*; public class WhatIsCalendar
{
public static void main(String[] args) throws Exception{
Calendar cal1 = Calendar.getInstance();
cal1.set(2000, 1, 32, 0, 0, 0);
System.out.println(cal1.getTime());
cal1.setLenient(false);
cal1.set(2000, 1, 32, 0, 0, 0);
System.out.println(cal1.getTime());
}
} ËüµÄÖ´Ðнá¹ûÊÇ£º Tue Feb 01 00:00:00 PST 2000
Exception in thread "main" java.lang.IllegalArgumentException
at java.util.GregorianCalendar.computeTime(GregorianCalendar.java:1368)
at java.util.Calendar.updateTime(Calendar.java:1508)
at java.util.Calendar.getTimeInMillis(Calendar.java:890)
at java.util.Calendar.getTime(Calendar.java:871)
at WhatIsCalendar.main(WhatIsCalendar.java:12) µ±ÎÒÃÇÉèÖøà Calendar Ϊ Lenient false ʱ£¬Ëü»áÒÀ¾ÝÌØ¶¨µÄÔ·ݼì²é³ö´íÎóµÄ¸³Öµ¡£ 3. ²»Îȶ¨µÄ Calendar ÎÒÃÇÖªµÀ Calendar ÊÇ¿ÉÒÔ±» serialize µÄ£¬µ«ÊÇÎÒÃÇҪעÒâÏÂÃæµÄÎÊÌâ import java.io.*;
import java.util.*; public class UnstableCalendar implements Serializable
{ public static void main(String[] args) throws Exception{
Calendar cal1 = Calendar.getInstance();
cal1.set(2000, 7, 1, 0, 0 , 0);
cal1.set(Calendar.MILLISECOND, 0);
ObjectOutputStream out =
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import java.util.Random;
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package com.zhangyg.thread.mytest;
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