code: public void print(boolean b) throws IOException
      {   
          if(this._listener!= null &&  !checkIfCalledFromWLonError()){   
              if (TraceComponent.isAnyTracingEnabled() && tc.isDebugEnabled())    
                  Tr.debug(tc, "non blocking print boolean , WriteListener enabled: " + this._listener);       
              _outHelper.print_NonBlocking(Boolean.toString(b));
          }
          else {
              if (TraceComponent.isAnyTracingEnabled() && tc.isDebugEnabled())    
                  Tr.debug(tc, "print boolean");        
              String value = Boolean.toString(b);
              this.write(value.getBytes(), 0, value.length()); 
          }
      }
docs: /*
  @see javax.servlet.ServletOutputStream#print(boolean)