java£º´óÊý¾ÝÎļþдÈ룬¶ÁÈ¡£¬·Ö¸î£¬ÅÅÐò£¬ºÏ²¢
package arrays.file;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.Collections;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.Random;
public class ConcludeCombinationSortWrite {
/**
* ´óÊý¾ÝÅÅÐòºÏ²¢
*
* @param args
*/
public static void main(String[] args) throws IOException {
// дÈëÎļþµÄ·¾¶
String filePath = "D:\\456";
// ÇзÖÎļþµÄ·¾¶
String sqlitFilePath = "D:\\456\\123";
//Êý¾ÝµÄ¸öÊý
int CountNumbers=10000000;
//×ÓÎļþµÄ¸öÊý
int CountFile=10;
//¾«¶È
int countAccuracy=30*CountFile;
long startNumber=System.currentTimeMillis();
// дÈë´óÊý¾ÝÎļþ
WriteData(filePath,CountNumbers);
System.out.println("´æ´¢Íê±Ï");
// ½«´óÊý¾ÝÎļþÇзֵ½ÁíÍâµÄÊ®¸öСÎļþÖÐ
sqlitFileDate(filePath, sqlitFilePath,CountFile);
System.out.println("ÎļþÇиîÍê±Ï£¡");
// °Ñÿ¸öÎļþµÄÊý¾Ý½øÐÐÅÅÐò
singleFileDataSort(sqlitFilePath,CountFile);
System.out.println("ÿ¸ö×ÓÎļþÅÅÐòÍê±Ï£¡");
//¾«¶Èµ÷Õû£¬Ê®¸öÎļþÊý¾Ý½øÐбȽÏÕûºÏ
deathDataFile(filePath,sqlitFilePath,countAccuracy,CountFile);
System.out.println("ÕûºÏÍê±Ï");
long stopNumber=System.currentTimeMillis();
System.out.println("ºÄʱ"+(stopNumber-startNumber)/1000+"ºÁÃë");
}
// дÈë´óÊý¾ÝÎļþ
public static void WriteData(String path,int CountNumbers) throws IOException {
path = path + "\\12114.txt";
FileWriter fs = new FileWriter(path);
BufferedWriter fw=new BufferedW
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package com.njty.util;
public class Test {
private static final double EARTH_RADIUS = 6378137;
private static double rad(double d)
{
return d * Math.PI / 180.0;
}
  ......
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public static int dayOfWeek(int y, int m, int d) {
int w = 1; // ¹«ÀúÒ»ÄêÒ»ÔÂÒ»ÈÕÊÇÐÇÆÚÒ»£¬ËùÒÔÆðʼֵΪÐÇÆÚÈÕ
y = (y-1)%400 + 1; //&n ......
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±í book ÖÐÓÐname varchar2(20)//Êé¼®Ãû³Æ,buydate Date //¹ºÂòÈÕÆÚ Á½¸ö×ֶΡ£
ÒѾ´´½¨ÁËÊý¾Ý¿âÁ¬½ÓConnection conn;
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java.sql. ......