问答题
下列程序的输出结果为:
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.str,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'; } }