Answer / biswajit rout

Constructor is a special type of member function which
never returns any value.It is mainlly used for
initilazation of data member(s).It can only invoked by the
creation of the object of the respective class.constructor
can very well use AccessSpecifier.
constructor can very well overloaded but it can not be
overridden.

Answer / dipankar gain

constructor is just like a method(a function in C/C++) which
is called before the object of the class is created.
Generally you dont need to give the constructor in the class
definition but if you want to do something like initializing
variables, starting a connection, connect to the database,
then you should use the constructors.
If you dont include the constructor in your class, then the
java compiler puts it for you, its called the default
constructor.

Answer / ada

Constructor creates an object and initializes it. It also
creates vtable for virtual functions. It's different from
other methods in a class.

Answer / raj

contructor is construct which is construct
something................

Explain when u will use Observer pattern and how u will implement in c++ .

1 Answers  

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What are the different types of stl containers?

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Question 1)Read the data from one file and remove all the duplicated words and generate an output file containg only using words.Program should also print number of occurance of each words on standard output.(Program must be use STL and iostream object). Question 2)Write a program to convert the lower case contents of file to upper case using STL. Question 3)What is the output of this problem. int i=12; int &r =i; r+r/4; int +p =&r; int *p = &r; P+=r; return 1; Answer :a)12 b)17 c) 30 d)24 E)15 Question 4) #include #include #include void main() { char srcstr[30],desstr[30]; int i,len; clrscr(); cout<<"\nenter the string\n"; cin>>srcstr; len=strlen(srcstr); for(i=0;srcstr[i]!='\0';i++) { desstr[--len]=srcstr[i]; } desstr[i]='\0'; cout<<"\nreversed string is\n"; for(i=0;desstr[i]!='\0';i++) { cout< } getch(); } Answer : A) string output b)tuptuo gnirts c) string d)output Question 5) Class Test { static const Tk=LEN; int q; public: foo(intx =LEN):q(x){}; TGet Q() const { return q:} void call test Foo<long :9> foo(10); std::const<< foo.Getq(); Answer: 7,8,9,10,11 question 6) class A { int a; char b; }; class B:public A { char b; int a; }; What is the size? Answer a)5 bytes for class A and 5 bytes class B b)4 bytes for class A and 8 bytes class B. c).... d)....

2 Answers   Bally Technologies,

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Is there any error below, its a code to delete all entires from a map #include <map> #include iostream.h int main() { int i =0; map <int, char> TestMap; while(i<3) { TesMap.insert(TestMap::value_type(i,Test)); i++; } typedef map<int, char> :: iterator mapIter =TestMap.begin(); if(mapIter!=TestMap.end()) { TestMap.erase(mapItrer); ++mapIter; } return 0; }

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Write a C/C++ program that connects to a MySQL server and checks if the InnoDB plug-in is installed on it. If so, your program should print the total number of disk writes by MySQL.

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write a program to demonstrate,how constructor and deconstructor work under multilevel inheritance

3 Answers   TCS,

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method overloading means what?

2 Answers   CTS,

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What is a standard template library (stl)? What are the various types of stl containers?

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What is stl stack?

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How is stl different from c++ standard library?

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What is the STL?

2 Answers   Epson, HP,

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what is c++

2 Answers  

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