现有:<br /> 1. class Wrench f<br /> 2.public static void main(String [] args) {<br /> 3.Wrench w=new Wrench( ); Wrench w2=new Wrench( );<br /> 4. w2=go (w, w2);<br /> 5.System.out.print (w2==w);<br /> 6. }<br /> 7.static Wrench go (Wrench wrl, Wrench wr2) {<br /> 8.Wrench wr3=wrl; wrl=wr2; wr2=wr3;<br /> 9. return wr3;<br /> 10. }<br /> 11. }<br /> 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