单选题

指出以下程序运行的结果是 public class Example...

Question

指出以下程序运行的结果是

	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'



	    }

}

A. good and abc

B. good and gbc

C. tst ok and abc

D. tst ok and gbc