Easy Randomizer

// a random class made to make arc4random() easier to work with
// Random.h
@interface Random : NSObject //class "Random" inherits from NSObject (good practice)

+(NSInteger) getValueBetween: (NSInteger)valA and: (NSInteger)valB; // + means static method

@end

// Random.m
@implementation Random

+(NSInteger) getValueBetween: (NSInteger)valA and: (NSInteger)valB {
    if(valA < valB) // if valA is smaller do the following, else swap the values
        return valA + arc4random() % (valA - valB +1);
    else
        return valB + arc4random() % (valB - valA +1);
}

@end