FileWriter-FileReader

import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;


public class TestFileWriter {

	public static void main(String[] args) {
		FileWriter fw=null;
		FileReader fr=null;
		int c=0;
		String s=null;
		try {
			fr=new FileReader("D:\\资料\\j2se\\io\\TestFileReader\\src\\TestFileReader.java");
			while((c=fr.read())!=-1){
				//System.out.println((char)c);
				s+=(char)c;
				
			}
			fr.close();
		} catch (FileNotFoundException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}finally{
			//System.out.println(s);
		}
		try {
			fw=new FileWriter("D:\\资料\\j2se\\io\\TestFileWriter\\TestFileReader.java");
				fw.write(s);
			fw.close();
		} catch (IOException e) {
			e.printStackTrace();
		}
		
	}

}