?

public ? static ? void ?copy(InputStream?in,?OutputStream?out)
??? throws ?IOException? {
?? try ? {
??? synchronized ?(in)? {
???? synchronized ?(out)? {
????? byte []?buffer? = ? new ? byte [ 256 ];
????? // start?copy
????? while ?( true )? {
?????? int ?bytesRead? = ?in.read(buffer);
?????? if ?(bytesRead? == ? - 1 )
??????? break ;
??????out.write(buffer,? 0 ,?bytesRead);
?????}
????? // end?copy
?????out.flush();
????}
???}
??} ? catch ?(IOException?e)? {
??? throw ?e;
??} ? finally ? {
???out.close();
???in.close();
??}