指出下列程序运行的结果:
public class Example{ String str=new String("tarena"); 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[]){ //引用类型变量,传递的是地址,属于引用传递。 str="test ok"; ch[0]='g'; } }