example8_1.java

书中的例题

/* 读取文件 */
  import java.io.*;
  import javax.swing.*;
  class Example8_1
    {  public static void main( String args[ ])
        {  byte buffer[ ] = new byte[2056];
           String str;
		   try {
			   File file=new File("e:/jtest/test.dat");
			   FileInputStream fileInput = new FileInputStream(file);
               int bytes = fileInput.read( buffer, 0, 2056 );
               str = new String( buffer, 0, bytes );
             }
           catch(Exception e)
			 {
			   str= e.toString();
			 }
   		   JOptionPane.showMessageDialog(null,str);
              System.exit(0);     //退出程序
        }
    }