C c = new

C c = new C c=new 我只知道道C c=new C(); A *p=new C,A和C都是类, net operate op = new operate();.net(c#) .net 里 operate op = new operate(); C# class A {} class B:A {} class C:B Main() { A a = new A; B b = new C; A c =b; }A c java中假设B继承A,C继承B 下面A a=new C();与C a=new C()有区别吗?多态到底是什么意思. 谁帮解释一下下面这段代码的意思或作用是什么?不胜感激!c=getContentPane(); c.setLayout(new BorderLayout()); panel1=new JPanel(); panel1.setLayout(new BorderLayout()); panel2=new JPanel(); panel2.setLayout(new BorderLayout() That is the new c( ) game. 这个animal【】 animalarray=new animal【2】是什么意思,c这个animal【】 animalarray=new animal【2】是什么意思,c# Is there ( ) in today's paper?A.new anythingB.new something C.anything newD.something new new something 还是something new?为什么,There is ___in today's news paperA.new anything B.new something C.anything new something new我觉得应该选D。 There is __in today's newspaper.A.nothing new B.anything new C.new anything D.new something That is ________ music. A.a new B.a new piece of C.an new D.new a piece of A.something new B.new something C.anything new D.new anything There isn't( )in today's newspaper. Have you got_____to tell me?A.new nothing B.anything new C.new sth D.nothing new Is there ______ about this TV play?A.something new B.anything new C.new something D.new anything Do you know _____ in our hometown?A.something new B.new something C.anything new D.new anything （）Is there（）in today’s newspaper?A.something new B new something C anything new D new anything