Interview Question

Country: India

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As derived2 is virtually inheritating Empty class. It will get _vptr as a hidden pointer. and pointer is having size of 4 byte(32 bit machine)
derived4 is virtually inheritating Empty class. It will also get _vptr as a hidden pointer (4 byte)
and it is haivng char c as its data member , so total size will be 4 + 1 = 5, but on 4 byte word memory m/c ,
1st 4 byte is for pointer _vptr
5th byte is for char and remaing 3 byte will be padded. so total size = 8 byte

- amit priyadarshi April 30, 2012 | Flag Reply

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