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package org.bupt.test;
import java.util.ArrayList;
class MyResource {
    ArrayList<Integer> arrList= new ArrayList<Integer>();
    public MyResource(ArrayList<Integer> arrList) {
        this.arrList = arrList;
    }
    public void insertionSort() {
        boolean conFlag = true;
        for (int i = 0; i < arrList.size(); i++) {
            while (conFlag) {//ÿÌ˱ȽÏǰÏÈÅжÏÉϴαȽÏÊDz»ÊÇûÓл¥»»¶¯×÷·¢Éú£¬ÈôÊÇÔò˵Ã÷Ê£ÏÂûÓÐÅŵÄÒѾ­Âú×ã˳Ðò
                conFlag =false;
                for (int j = 0; j < arrList.size()-i-1; j++) {
                    if (arrList.get(j)<arrList.get(j+1)) {
                        int temp = arrList.get(j);
                        arrList.set(j, arrList.get(j+1));
                        arrList.set(j+1, temp);
                        conFlag = true;
                    }
                }
                for (int j = 0; j < arrList.size(); j++) { 
                    Sy


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Java֮staticѧϰ

¶ÔÓÚѧϰstaticÎÒÃÇÏÈÀ´¿´Á½¸öÀý×Ó£º
//Example 1 Tst.java£¬no main() method
package com.blogchina.qb2049;
public class Tst
{
static { System.out.println("111111"); }
}
ÔËÐнá¹ûΪ: 111111
Exception in thread "main" java.lang.NoSuchMethodError: main
ͬÑùµÄµÀÀí¿´µÚ¶þ ......

JAVA List to Array,Array to List

 1.Listת»»³ÉΪÊý×é¡££¨ÕâÀïµÄListÊÇʵÌåÊÇArrayList)
µ÷ÓÃArrayListµÄtoArray·½·¨¡£
Àý£ºString[] arr = (String[])list.toArray(new String[size]);
2.Êý×éת»»³ÉΪList¡£
µ÷ÓÃArraysµÄasList·½·¨¡£
Àý£ºList stooges = Arrays.asList("Larry", "Moe", "Curly"); ......

javaÖйØÓÚʱ¼äÈÕÆÚ²Ù×÷µÄ³£Óú¯Êý

1.¼ÆËãijһÔ·ݵÄ×î´óÌìÊý
Calendar time=Calendar.getInstance();
time.clear();
time.set(Calendar.YEAR,year);
time.set(Calendar.MONTH,i-1);//×¢Òâ,Calendar¶ÔÏóĬÈÏÒ»ÔÂΪ0            
int day=time.getActualMaximum(Calendar.DAY_OF_MONTH);//±¾Ô·ݵÄÌìÊý ......

Serializable javaÐòÁл¯

Bean Serializable Interface µÄ½Ó¿ÚÈÃBEAN¿ÉÒÔ´®Ðл¯£¬½«Æä±ä³ÉÒ»¸ö¿É±£´æÎªÒÔºóʹÓõĶþ½øÖÆÁ÷¡£µ±Ò»¸öBEAN±»ÏµÁл¯µ½´ÅÅÌÉÏ»òÕ߯äËûÈκεط½£¬Æä״̬±»±£´æÆðÀ´£¬ÆäÖеÄÊôÐÔÖµÒ²²»»á¸Ä±ä¡£ÔÚBEANµÄ¹æ·¶ÖУ¬JSP²¢Ã»ÓÐÒªÇóBEANʵÏÖSerializable½Ó¿Ú¡£µ«ÊÇ£¬Èç¹ûÄúÏ£Íû×Ô¼º¿ØÖÆÄúËù´´½¨µÄ×é¼þµÄserialization½ø³Ì£¬»òÕßÄúÏë ......

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¾Ö²¿±äÁ¿£¨ÀàµÄ·½·¨ÖеıäÁ¿£©£º  ¸Ã·½·¨±»µ÷ÓÃÊ ......
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