What do you mean by call by value and call by reference?

4 Answers  

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Is it possible for the objects to read and write themselves?

0 Answers  

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Does std endl flush?

0 Answers  

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Write a function to perform the substraction of two numbers. Eg: char N1="123", N2="478", N3=-355(N1-N2).

0 Answers  

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Name the implicit member functions of a class.

0 Answers  

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What will i and j equal after the code below is executed? Explain your answer.

1 Answers  

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What is the array and initializing arrays in c++?

0 Answers  

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How the delete operator differs from the delete[]operator?

0 Answers  

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There are 100 students in a class. The management keep information in two tables. Those two tables are given like Roll no Name Age 001 ABC 15 002 XYZ 14 and Roll No Subject Marks 001 Math 75 001 Physics 55 002 Math 68 001 Hindi 69 They want the information like this Roll No Name Hindi Physics Math Total 001 ABC 69 55 75 199 002 XYZ 68 74 84 226 And Roll No Suject Highest 001 Math 98 007 Physics 84 021 Hindi 74 All 275 All information is kept in structure in main memory. You have to find last two tables.

0 Answers  

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Write a program to swap 2 chars without using a third varable? char *s = "A"; char *p = "B";

7 Answers   CTS,

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What is a wchar_t in c++?

0 Answers  

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class Alpha { public: char data[10000]; Alpha(); ~Alpha(); }; class Beta { public: Beta() { n = 0; } void FillData(Alpha a); private: int n; }; How do you make the above sample code more efficient? a) If possible, make the constructor for Beta private to reduce the overhead of public constructors. b) Change the return type in FillData to int to negate the implicit return conversion from "int" to "void". c) Make the destructor for Alpha virtual. d) Make the constructor for Alpha virtual. e) Pass a const reference to Alpha in FillData

2 Answers   Quark,

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