FileCpoy --- 代码

import java.io.* ;

public class FileCopy {
    public static void main(String[] args) {
        String inputFile = "D:/java03/day23/Test.txt" ;
        String outputFile = "D:/LX/Test.txt" ;
        
        FileReader r = null;
        FileWriter w = null;
        
        try {
            r = new FileReader(new File(inputFile));
            w = new FileWriter(new File(outputFile));
            int b = 0;
            
            while((b = r.read()) != -1) {
                w.write(b);
            }
            w.flush();
            
        }catch(FileNotFoundException ex) {
            ex.printStackTrace();
        }catch(IOException ex) {
            ex.printStackTrace();
        }finally {
            try{
                r.close();
                w.close();
            }catch(IOException ex) {
                ex.printStackTrace();
            }
        }
        System.out.println("复制完成！");
        
    }
}