指出下列程序运行的结果 () 。public class Example{ String str=new String("good"); char[]ch={'a','b','c'}; public static void main(String args[]){ Example ex=new Example(); ex.change(ex.otr,ex.ch); System.out.print(ex.str+"and"); System.out.print(ex.ch); } public void change(String str,char ch[])} str="test ok"; ch[0]≈'g'; } }
A.good and abc
B.good and gbc
C.test ok and abc
D.test ok and gbc