public ModuleDefinitionDataComponent addData() { //3
      ModuleDefinitionDataComponent t = new ModuleDefinitionDataComponent();
      if (this.data == null)
        this.data = new ArrayList<ModuleDefinitionDataComponent>();
      this.data.add(t);
      return t;
    }
public ModuleDefinitionDataComponent addData ( ) { ModuleDefinitionDataComponent t = new ModuleDefinitionDataComponent ( ) ; if ( this . data == null ) this . data = new ArrayList < ModuleDefinitionDataComponent > ( ) ; this . data . add ( t ) ; return t ; }
syntactic sugar