Constructor that takes an InputStream to be wrapped.paramin the InputStream to be wrapped this.in = in;
this.in = in;
Close the streamthrowsIOException if an exception is encountered when closing in.close();
in.close();
Read a byte off the streamreturnthe byte read off the streamthrowsIOException if an exception is encountered when reading int b = in.read(); System.err.write(b); return b;
int b = in.read(); System.err.write(b); return b;