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import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.RandomAccessFile;
import java.io.Reader;
/**
 *
 * ¶àÖÖ·½Ê½¶ÁÎļþÄÚÈÝ¡£
 *
 * 1¡¢°´×Ö½Ú¶ÁÈ¡ÎļþÄÚÈÝ 2¡¢°´×Ö·û¶ÁÈ¡ÎļþÄÚÈÝ 3¡¢°´ÐжÁÈ¡ÎļþÄÚÈÝ 4¡¢Ëæ»ú¶ÁÈ¡ÎļþÄÚÈÝ
 *
 */
public class ReadfromFile
{
    /**
     * ÒÔ×Ö½ÚΪµ¥Î»¶ÁÈ¡Îļþ£¬³£ÓÃÓÚ¶Á¶þ½øÖÆÎļþ£¬ÈçͼƬ¡¢ÉùÒô¡¢Ó°ÏñµÈÎļþ¡£
     *
     * @param fileName
     *                ÎļþµÄÃû
     */
    public static void readFileByBytes(String fileName)
    {
 File file = new File(fileName);
 InputStream in = null;
 try
 {
     System.out.println("ÒÔ×Ö½ÚΪµ¥Î»¶ÁÈ¡ÎļþÄÚÈÝ£¬Ò»´Î¶ÁÒ»¸ö×Ö½Ú£º");
     // Ò»´Î¶ÁÒ»¸ö×Ö½Ú
     in = new FileInputStream(file);
     int tempbyte;
     while ((tempbyte = in.read()) != -1)
     {
  System.out.write(tempbyte);
     }
     in.close();
 }
 catch (IOException e)
 {
     e.printStackTrace();
     return;
 }
 try
 {
     System.out.println("ÒÔ×Ö½ÚΪµ¥Î»¶ÁÈ¡ÎļþÄÚÈÝ£¬Ò»´Î¶Á¶à¸ö×Ö½Ú£º");
     // Ò»´Î¶Á¶à¸ö×Ö½Ú
     byte[] tempbytes = new byte[100];
     int byteread = 0;
     in = new FileInputStream(fileName);
     ReadfromFile.showAvailableBytes(in);
     // ¶ÁÈë¶à¸ö×Ö½Úµ½×Ö½ÚÊý×


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