How to check the existance of the object in the program?
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How to check the existance of the object in the program?
Your question lacks clarity
1) Which object in which program?
2) What kind of program is it?
3) What kind of object are you looking for
4) Is it a program you've written? If so, what is your OS.
The more information you give, the easier it will be for someone else to answer your question.