copybychar.java

Java面向对象编程(随书配套源代码) 阐述了面向对象编程的思想

package chapter13;
import java.io.*;
public class CopyByChar
{
	static final String inFile = "in.txt";
 	static final String outFile = "out.txt";
	public static void main(String args[])
	{
 		try 
 		{ 
  			FileReader rdFile = new FileReader(inFile); 
  			FileWriter wrFile=new FileWriter(outFile);
  			int nResult ; 
  			while ((nResult=rdFile.read())!=-1) 
   				wrFile.write(nResult);
    		System.out.println("in.txt已成功复制到out.txt!");
    		rdFile.close(); 
    		wrFile.close();
    	} 
    	catch (IOException e) 
    	{ 
     		e.printStackTrace(); 
 		}
 	}
}