code: public void println(float f) throws IOException
      {       
          if(this._listener!= null &&  !checkIfCalledFromWLonError()){
              if (TraceComponent.isAnyTracingEnabled() && tc.isDebugEnabled())    
                  Tr.debug(tc, "non blocking println float , WriteListener enabled: " + this._listener);
              this.println_NonBlocking(Float.toString(f));
          }
          else {
              if (TraceComponent.isAnyTracingEnabled() && tc.isDebugEnabled())    
                  Tr.debug(tc, "println float");
              super.println(f);
          }
      }
docs: /*
  @see javax.servlet.ServletOutputStream#println(float)