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sandhi mridul
Ranch Hand

Joined: Jan 25, 2008
Posts: 71

Output is :30,30,10,20

What is going on in the program?
How the control is getting transfer in the program?
Please help me.

ahmed yehia
Ranch Hand

Joined: Apr 22, 2006
Posts: 424
Objects 'o1' and 'o2' both refer to an object of type 'C', so m1() in class 'C' is invoked twice, because overridden instance methods invocation is determined at Runtime based on the object type.

Variable access is determined at Compile time based on the reference type.
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subject: Execution