如何在iPHone中使用NSMutableArray添加数组值？

Question

我有数据到可变数组和数组的值是,

     { "20", "40", "50","60", "70"}.

我已将字符串值存储到数组中.

现在我想要数组的总值.结果是:240

谢谢!

Answer 1

NSInteger value = 0;
for (String *digit in myArray) {
    value += [digit intValue];
}