package test0341; import java.io.IOException; import java.io.InterruptedIOException; import java.io.UnsupportedEncodingException; import java.net.MalformedURLException; import java.util.Vector; public class A { private Vector field; public void l() throws IOException, MalformedURLException, InterruptedIOException, UnsupportedEncodingException { if (field != null) { throw new IOException(); } else if (field == null) { throw new MalformedURLException(); } else if (field == null) { throw new InterruptedIOException(); } else { throw new UnsupportedEncodingException(); } } }