java 读取txt文件

import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;

public class FileReaderTest {


public static void main(String[] args) {
File file = new File("c:\\00\\java.txt");
try {
FileReader f_reader = new FileReader(file);
BufferedReader reader = new BufferedReader(f_reader);
String str = reader.readLine();
while ((str=reader.readLine())!=null) {
System.out.println(str);
str = reader.readLine();
}
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}

}

///////////////////////////////////////////////////////////////////
List list=new ArrayList();
BufferedReader br=new BufferReader(new InputStreamReader(new FileInputStream(new File("in.txt"))));
String str=null;
while((str=br.readLine())!=null)
{
list.add(str);
}
list.toArray();