String str="where are you?";
str=str.replace('e', 'z');
str=str.replaceAll("\?","cc");
System.out.println(str);
结果为什么是whzrz arz youcc??求大神来搭救.万分感谢!!
String str="where are you?";
str=str.replace('e', 'z');
str=str.replaceAll("\?","cc");
System.out.println(str);
结果为什么是whzrz arz youcc??求大神来搭救.万分感谢!!