Question

I have an array width this values:

array: (
    {
    id = 1;
    name = "Cursus Nibh Venenatis";
    value = "875.24";
},
    {
    id = 2;
    name = "Elit Fusce";
    value = "254.02";
},
    {
    id = 3;
    name = "Bibendum Ornare";
    value = "123.42";
},
    {
    id = 4;
    name = "Lorme Ipsim";
    value = "586.24";
}
)

What I need to do is get each ‘value’ and sum it all. Im declaring a new array to take each value:

self.valuesArray = [[NSArray alloc] init];

But how can I do it? Thanks for your answer!

Answer 1

double sum = [[array valueForKeyPath:@"@sum.value"] doubleValue];

You can read more on collection operators here