Get all keys of an NSDictionary as an NSArray

Is it possi开发者_JAVA百科ble to get all the keys from a specific NSDictionary as a seperate NSArray?

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Just use

NSArray*keys=[dict allKeys];

In general, if you wonder if a specific class has a specific method, look up Apple's own documentation. In this case, see NSDictionary class reference. Go through all the methods. You'll discover many useful methods that way.

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Yes it's possible. Use allKeys method:

NSDictionary *yourDictionary;
NSArray * yourKeys
yourKeys = [yourDictionary allKeys];

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And if you want to get all keys and values, here's what you do:

for (NSString *key in dictionary) {
    id value = dictionary[key];
    NSLog(@"Value: %@ for key: %@", value, key);
}