问题:假设类:publicclassMyAwesomeClass{privateIDependCls_dependCls;publicMyAwesomeClass(IDependClsdependCls){_dependCls=dependCls;}}在其他地方我需要得到那个类的一个实例，像这样:publicclassSomewhereElse{publicvoidAwesomeMethod(){//...//AwesomeStuff//...varGetErDone=newMyAwesomeClass();//PROBLEM!Noconstructorwith0arguements}

在objective-C中我们可以这样做:一个。在父类(superclass)中导入文件#import"MyAwesomeClass.h"@interfaceMySuperViewController:UIViewController@end@implementationMySuperViewController-(void)viewDidLoad{[superviewDidLoad];//MyAwesomeClassallocated,initialized,usedMyAwesomeClass*awesomeClass=[MyAwesomeClassnew];}@end在父类(su