单选题
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';