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What do you meant by Runtime Polymorphism?
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Runtime polymorphisms means the code is called at run time
according to need or given conditions.
suppose there r two methods namely Add() one in super class
and other is in sub class.both have the same name and same
parameters.
so we have to choose that which method from them should
called at run time i.e. of super class or of sub class.
It can be achieved through the use of virtual functions.
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Answer / swe
In runtime polymorphism ... the code is called at run time according to need or given conditions.
suppose there r two methods namely Add() one in super class and other is in sub class.both have the same name and same parameters.
so we have to choose that which method from them shld called at run time i.e. of super class or of sub class.by polymorphism we do that.
ex:-
class A
{
int add(){//code of the method}
//some other code
}
class B extends A
{
int add(){//code of the method}
//some other code
}
class AB
{
public static void main(String s[])
{
A ob1;
ob1 new A();
int i ob1.add();//will call the method of super class.
ob1 new B();// sub class's reference can be assigned to super class address but not vice versa.to do that we have to type cast the reference of the sub class in reference of the super class.
int j ob1.add();//will call the method of sub class
}
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Find out the list of roles which gives access to GUI activities? thanks in advance
Hello...has anyone interviewed with Information Management Services(IMS)located in Silver Spring MD??If yes,what can you share about the programming test and the analytical test?
0 Answers Information Management Services,
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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