欢迎关注我的博客,本博客记录本人学习安卓逆向的一些知识,欢迎感兴趣的朋友一起讨论交流.交流群:70775091  联系QQ如下:
String mail[] = {"8","o","7","3","c","5",".","2","m"};
int[] index = {0,5,2,2,3,5,7};
StringBuffer sb = new StringBuffer();
for (int i = 0;i<index.length;i++){
    sb.append(mail[index[i]]);
}
String qq = sb.toString();
System.out.println("联系QQ:"+qq);