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Please explain peculiar instantiation of class

Posted on 2013-06-12
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Please see question in attached file.
peculiar-class-instantiation.txt
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Question by:naseeam
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jkr earned 500 total points
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The line

contArr = new ContainerObject * [totalCapacity];

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looks a bit confusing, but if you break that down for readability (and consider the rest of the code), it is just allocating an array of pointers, i.e.

contArr // declared as 'ContainerObject **'
 = new 
ContainerObject * // the space makes this confusing
[totalCapacity]; // size of the array

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by:naseeam
ID: 39241676
Please confirm that class ContainerObject is not getting instantiated in the following statement:

contArr = new ContainerObject* [totalCapacity];
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by:jkr
jkr earned 500 total points
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No, the class itself isn't instantiated in that line. What is done here is that an array of the size 'total'Capacity' is allocated which consist of pointersto 'ContainerObject', i.e. 'ContainerObject*'. No single 'ContainerObject' constructor will be called
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by:naseeam
ID: 39241712
very well short explanation.  To the point.  The quesetion got answered.
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