你可能感興趣的試題

現(xiàn)有：
1． class Wrench f
2.public static void main(String [] args) {
3.Wrench w=new Wrench(); Wrench w2=new Wrench();
4． w2=go (w, w2);
5.System.out.print (w2==w);
6． }
7.static Wrench go (Wrench wrl, Wrench wr2) {
8.Wrench wr3=wrl; wrl=wr2; wr2=wr3;
9． return wr3;
10． }
11． }
結(jié)果是什么？（）