Java 烦透了的Java，

Java 烦透了的Java，

public class copy {

    publiac static void main(String[] ages) throws IOException{

String o="D:/helloworld";

File file1=new File("D:/HW.java");

FileReader re = new FileReader(o);

FileWriter wr=new FileWriter(file1);

char [] = new char [10];

re.read(a);

wr,write(a)

re.close();

twr.close();

System.out.println("成功复制");

}

}