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Why pointer variable sometimes desirable to pass a pointer to a function as an argument?
Frequently, a called function needs to make changes to objects declared in the calling function. For example, the function, scan(), needs to access objects in the calling function to store the data read and converted into an object defined there. Therefore, we supply scan() with the address of objects rather than their values.
Another common use of pointers is to write functions that ''return'' more than one value. As we have seen, every function in C returns a value as the value of the function; however, if a function's meaning includes the return of several pieces of information, this single return value is not sufficient. In these cases, we can have the function return multiple data values indirectly, using pointers.
Why is there no polymorphic-type response from a create() or find() method? Ans) The EJB Specification forbids this behavior, and the weblogic.ejbc compiler checks for this beha
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Discuss the problem when a boiler is fed with lime-soda softened water
Q. Binary floating-point number range? Smallest Negative number Maximum mantissa and maximum exponent = - (1 -2 -24 ) × 2 127 Largest negative number
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There can be more than one node at the highest level in the structure. False. One can describe only single node at the highest level in the structure on LDB
This question can be answered either with respect to English or with respect to a language other than English. (If you you are not a native speaker of the language of your choice,
What is virtual memory? How address mapping is done in cache memory? Elaborate your answer with examples.
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