Objective-C Language NSMutableDictionary Removing Entries From a Mutable Dictionary
Example
- removeObjectForKey:
Removes a given key and its associated value from the dictionary.
NSMutableDictionary *dict = [NSMutableDictionary dictionaryWithDictionary:@{@"key1":@"Easy",@"key2": @"Tutorials"}];
[dict removeObjectForKey:@"key1"];
NSLog(@"%@",dict);
OUTPUT
{
key2 = Tutorials;
}
- removeAllObjects
Empties the dictionary of its entries.
NSMutableDictionary *dict = [NSMutableDictionary dictionaryWithDictionary:@{@"key1":@"Eezy",@"key2": @"Tutorials"}];
[dict removeAllObjects];
NSLog(@"%@",dict);
OUTPUT
{
}
- removeObjectsForKeys:
Removes from the dictionary entries specified by elements in a given array.
NSMutableDictionary *dict = [NSMutableDictionary dictionaryWithDictionary:@{@"key1":@"Easy",@"key2": @"Tutorials"}];
[dict removeObjectsForKeys:@[@"key1"]];
NSLog(@"%@",dict);
OUTPUT
{
key2 = Tutorials;
}
