现有: class Wrench f public static void main(String [] args) { Wrench w=new Wrench(); Wrench w2=new Wrench(); w2=go (w, w2); System.out.print (w2==w); } static Wrench go (Wrench wrl, Wrench wr2) { Wrench wr3=wrl; wrl=wr2; wr2=wr3; return wr3; } 结果是什么?()
- A false
- B true
- C编译失败
- D运行的时候有异常抛出