isKindOfClass和isMemberOfClass 区别

NSArray *arr1 = [NSArrayarray];
NSArray *arr2 = [NSArrayarray];
NSObject *ob = [[NSObjectalloc] init];
 
NSLog(@"%hhd", [[NSArrayarray] isKindOfClass:[NSObjectclass]]); // YES
NSLog(@"%hhd", [[NSArrayarray] isMemberOfClass:[NSArrayclass]]); // NO
NSLog(@"%hhd", [arr1 isKindOfClass:[ob class]]); // YES
NSLog(@"%hhd", [arr1 isMemberOfClass:[ob class]]); // NO
NSLog(@"%hhd", [arr1 isKindOfClass:[arr2 class]]); // YES
NSLog(@"%hhd", [arr1 isMemberOfClass:[arr2 class]]); // YES