readfiletest.java

java练习程序

import java.io.*;
class ReadFileTest
{
	public static void main(String args[])
	{
		int b;
		byte buffer[]=new byte[2500];
		try
		{
			FileInputStream readfile=new FileInputStream("Testfile.txt");
			b=readfile.read(buffer, 0, 2500);
			try
			{
				String str=new String(buffer, 0, b,  "Default");
				System.out.println(str);
			}
			catch(UnsupportedEncodingException e)
			{
				System.out.println(" the encoding was not found:"+e);
			}
		}
		catch(IOException e)
		{
			System.out.println("File read Error ");
		}
	}
}