filereaderdemo.java

来自「精通Java核心技术源代码」· Java 代码 · 共 15 行

import java.io.*;

   public class FileReaderDemo
   {	  
      public static void main(String arg[]) throws IOException
      {
   	  	char buffer[] = new char[256];
        	FileReader fileReader = new FileReader( "data.tmp" );
	    		int readnum = fileReader.read( buffer );
	    	 	String str = new String( buffer,0,readnum );
	    	 	System.out.println( "read file data:"+str );
	    	 	fileReader.close();
   	 }
   }