practise

package com.io;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.Reader;
import java.sql.Connection;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;

import com.io.object.Persion;

public class ReadFromFile {

/**
* @param args
*/
public static void main(String[] args) {
ReadFromFile.readFileByLine("D:\\workspace\\testFolder\\aaa.txt");
}
      private static void readFileByLine(String name)
      {
      File file = new File(name);
      BufferedReader reader = null;
      Persion person = null;
      try {
reader = new BufferedReader(new FileReader(file));
String str = null;
List<Persion> list = new ArrayList<Persion>();;
while ((str=reader.readLine())!=null) {

if(str.contains("name="))
{
String filename = str.substring(str.indexOf("=")+1, str.length());
person = new Persion();
person.setName(filename);
}
if(str.contains("age="))
{
String age = str.substring(str.indexOf("=")+1, str.length());
person.setAge(Integer.valueOf(age));
}
if(str.contains("sex="))
{
String sex = str.substring(str.indexOf("=")+1, str.length());
person.setSex(sex);
list.add(person);
}
}

Collections.sort(list, new Comparator<Persion>() {

@Override
public int compare(Persion o1, Persion o2) {
// TODO Auto-generated method stub
return String.valueOf(o1.getAge()).compareToIgnoreCase(String.valueOf(o2.getAge()));
}
});

for (Persion persion : list) {
System.out.println("name="+persion.getName());
System.out.println("age="+persion.getAge());
System.out.println("sex="+persion.getSex()+"\n");
}
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
finally
{
try {
reader.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
      }
}
----------------
name=carter
age=26
sex=male

name=ugly
age=21
sex=female

name=forever
age=100
sex=unknow