检查程序,是否存在问题,如果存在指出问题所在,如果不存在,说明输出结果。package algorithms.com.guan.javajicu; 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.test okandabc
B.test okandgbc
C.goodandabc
D.goodandgbc