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What is difference between pointer and reference? [CLOSED]

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What is difference between pointer and reference? [CLOSED]
posted Jul 11, 2016 by anonymous

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Both pointers and references let  you refer to other objects indirectly. You can't take the address of a reference but you can with pointers. if you have a  variable whose purpose is to refer to another object, but it is possible  that there might not be an object to refer to, we have to make the variable a pointer, because then you can set it to "null".

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