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/*内容格式如下:第一行表示某个url ,第二行表示上面url被访问的次数。根据字典顺序对url排序,不能破坏url与访问次数的对应关系 */package test;import java.io.BufferedReader;import java.io.FileNotFoundException;import java.io.FileReader;import java.io.FileWriter;import java.io.IOException;import java.util.ArrayList;import java.util.List;public class order { public static void main(String[] args) throws IOException { List list = new ArrayList (); // 读取文件流 FileReader reader = null; // 读取原ID文件 int count = 0; try { reader = new FileReader("/data/idfAnalyse1Whbase");// 读取url文件 } catch (FileNotFoundException e) { // TODO Auto-generated catch block e.printStackTrace(); } BufferedReader br = new BufferedReader(reader); String s1 = null; String buf1 = null; String buf2 = null; while ((s1 = br.readLine()) != null) { System.out.println("reader cbuffer " + s1); if (count % 2 == 0) { // channel buf1 = s1; } else { buf2 = s1; String[] temp = new String[2]; temp[0] = buf1; temp[1] = buf2;// 数目 list.add(temp); } count++; } br.close(); System.out.println("reader closed"+list.size()); reader.close(); for (int i = 0; i < list.size() - 1; i++) { for (int j = i + 1; j < list.size(); j++) { int intTemp = list.get(i)[0].compareToIgnoreCase(list.get(j)[0]); if (intTemp > 0) { String strTemp[] = new String[2]; strTemp = list.get(j); list.set(j, list.get(i)); list.set(i, strTemp); } } } String resultFileName = "/data/orderidfAnalyse1Whbase"; FileWriter fileWriter = null; //写入文件流 try { fileWriter = new FileWriter(resultFileName, true); } catch (IOException e1) { // TODO Auto-generated catch block e1.printStackTrace(); } for (int i = 0; i
转载于:https://blog.51cto.com/gomic/1432389