what is diff bet ref variable & instance of class


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When we have more than one main function in a program how does the compiler know the starting point of the program, i mean from which main the execution or compilation of the program begins?

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SYNFOSYS PLACEMENT PAPER 2010 Hi Friends I have attended the recent synfosys test 2010. Here r some questions which i remember. Section – I 1) There are 12 balls weigh similar but one is dissimilar (more/less). How to find the dissimilar ball with minimum no of weighs? 2) There r 7people carrying 7bags. Each bag contains 7cats. Each cat has 7small cats. How many total legs r there? 3) There are 12 balls weigh similar but one is dissimilar (more/less). How to find the dissimilar ball with minimum no of weighs? 4) 5) There r 2 poles each 15 meters high. A cable of length 16 meters is tied between pillars top. For its maximum the cable lies down above 7mts high from the ground. What is the distance between pillars? ------------------------------------------------------------ ------------------------------------------------ Section -II What is the value of 11^5 Some Other quetions ------------------------------------------------------------ ------------------------------------------------ Section - III 16) Serialization and deserialization? 17) Will finally block execute even though there is an exception & return statement are there in catch block? Explain? 18) memory leak? How can we avoid it? 19) virtual destructor? 20) Two program codes for code optimization? ------------------------------------------------------------ ------------------------------------------------ Section – IV Q) Program for finding the alternate digits of the number If number is 35846 then Sum1=3+8+6=17 Sum2=5+4=9 Q) Program for Single linked list? ------------------------------------------------------------ ------------------------------------------------ Section - V Q) What is software engineering? Explain SDLC Q) Explain any two upcoming IT Scenarios? ------------------------------------------------------------ ------------------------------------------------ Regards Gopinath Allanku +91 9885457211

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< DL Compact > tag is used for

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Difference between delegates and Events?

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I'm trying to solve this. But I'm not figuring the right solution. Can some one help what the answer is for the question below? You can use as many variables as you need, there are no negative numbers, all numbers are integers. You do not know the size of the integers, they could be infinitely large, so you can't count on truncating at any point. There are NO comparisons allowed, no if statements or anything like that. There are only four operations you can do on a variable. 1) You can set a variable to 0. 2) You can set a variable = another variable. 3) You can increment a variable (only by 1), and it's a post increment. 4) You can loop. So, if you were to say loop(v1) and v1 = 10, your loop would execute 10 times, but the value in v1 wouldn't change so the first line in the loop can change value of v1 without changing the number of times you loop. You need to do 3 things. 1) Write a function that decrements by 1. 2) Write a function that subtracts one variable from another. 3) Write a function that divides one variable by another. 4) See if you can implement all 3 using at most 4 variables. Meaning, you're not making function calls now, you're making macros. And at most you can have 4 variables. The restriction really only applies to divide, the other 2 are easy to do with 4 vars or less. Division on the other hand is dependent on the other 2 functions, so, if subtract requires 3 variables, then divide only has 1 variable left unchanged after a call to subtract. Basically, just make your function calls to decrement and subtract so you pass your vars in by reference, and you can't declare any new variables in a function, what you pass in is all it gets.

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Please forward important interview and basic questions in VB6 on my email id: usneha_16@yahoo.co.in

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Hi guyes, I have cleared 2 technical rounds with cts for liferay and java techonologies, i have client round next week, please tell me how to prepare for this what questions i should be ready to face?

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As per interoperatbility programs written in one language can be used by other language. How can we restrict the features of one language (say C#) in the programmer written in another language (say VB)..for example we have some features like operator overloading which is possible C#.NET (not in VB.NET), how can we restrict that when we are using this code in VB.NET.

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