Objective-C: How to find the most common string in an array?

Question

I have an array of strings from an online database that I trying to determine the most commonly used word. The values inside the arrays will vary but I want to check the most co

Answer 1

Simplest way is probably NSCountedSet:

NSCountedSet* stringSet = [[NSCountedSet alloc] initWithArray:strings];
NSString* mostCommon = nil;
NSUInteger highestCount = 0;

for(NSString* string in stringSet) {
    NSUInteger count = [stringSet countForObject:string];
    if(count > highestCount) {
        highestCount = count;
        mostCommon = string;
    }
}