下面程序的运行结果
public class Example{
String str=new String(″good″);
char［］ch={′a′,′b′,′c′};
public void change(String str,char ch［］){ s
tr=″test ok″;
ch［0］=′g′;
}
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);
}
}
A.good and abc B.good and gbc C.test ok and abc D.test ok and gbc