code: public NameAndTypeConstant addNameAndType(String name, String type)
    {
      NameAndTypeConstant entry = getNameAndType(name, type);
  
      if (entry != null)
        return entry;
  
      Utf8Constant nameEntry = addUTF8(name);
      Utf8Constant typeEntry = addUTF8(type);
  
      entry = new NameAndTypeConstant(this, _entries.size(),
                                      nameEntry.getIndex(),
                                      typeEntry.getIndex());
  
      addConstant(entry);
  
      return entry;
    }
docs: Adds a name-and-type constant.