How to remove object at all index except first index in NSMutableArray IOS

Question

I have 1 mutablearray, i want to remove object all indexs but hold object at first index. EXample : Input : Array (a,b,c,d,e) Output: Array (a)

Can you help me. Thanks in advance

Did you have a look at the NSMutableArray documentation before asking this question? — Martin R
– Martin R, Commented Jul 2, 2013 at 9:06

Iducool · Accepted Answer · 2013-07-02 09:03:25Z

19

NSMutableArray *testArray=[[NSMutableArray alloc] initWithObjects:@"A",@"B",@"C", nil];
[testArray removeObjectsInRange:NSMakeRange(1, testArray.count-1)];

But please make sure array count is greater than 1.

answered Jul 2, 2013 at 9:03

Iducool

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Dharmbir Singh · Accepted Answer · 2013-07-02 09:04:12Z

2

Try this one and put your range to remove your object.

[array removeObjectsInRange:NSMakeRange(1, array.count-1)];

answered Jul 2, 2013 at 9:04

Dharmbir Singh

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nevan king · Accepted Answer · 2013-07-02 09:02:33Z

1

Keep a reference to your a object (MyObject temp = [array objectAtIndex:0]), do removeAllObjects, then insertObject:a

answered Jul 2, 2013 at 9:02

nevan king

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1 Comment

FormigaNinja Over a year ago

This is a very bad practice since NSMutableArray class has specific APIs to do so. You must read API's documentation or even the class header file to get a better approach.

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