如何从txt中读取文件并且复制给一个字符串_J2SE

怎么从txt中读取文件并且复制给一个字符串
数据 aaaaaa

存在e：\abc.txt中

怎么把它读入程序，并且复制给字符串data，请给出源程序。谢了

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以前写的你再改改http://blog.csdn.net/zqfddqr/article/details/7311646
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what?

Java code

String fileName = "e:\\abc.tx";RandomAcessFile raf = new RandomAccessFile(fileName, "r");String data = raf.readLine();raf.close();
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Java codeimport java.io.BufferedInputStream;import java.io.File;import java.io.FileInputStream;public class Test {    public static void main(String[] args) throws Exception{                FileInputStream fis = new FileInputStream(new File("e:/abc.txt"));        BufferedInputStream bis = new BufferedInputStream(fis);        String date = "";                byte[] buff = new byte[1024];        int length = 0;        StringBuilder sb = new StringBuilder();        while(-1 != (length = bis.read(buff))){            sb.append(new String(buff,0,length));        }        date = sb.toString();        System.out.println(date);    }}