what is an instance of a class

5 Answers  

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What is the main feature of oop?

0 Answers  

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swapping program does not use third variable

5 Answers   TCS,

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Why oops is important?

0 Answers  

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what is namespace? what are the uses of namespace?

1 Answers  

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Why is encapsulation used?

0 Answers  

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In what situation factory design patterns,DAO design patterns,singleton design patterns should be applied.?

2 Answers  

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What is a scope operator and tell me its functionality?

3 Answers   emc2,

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What is the correct syntax for inheritance? 1) class aclass : public superclass 2) class aclass inherit superclass 3) class aclass <-superclass

6 Answers   Wipro,

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How do you make derived class as an abstract class?

1 Answers   Convergys, TCS,

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You attempt to query the data base with this command: SELECT name, salary FROM employee WHERE salary=(SELECT salary FROM employee WHERE last name='Wagner' OR dept no=233) Choose most appropriate option from the following: 1)Sub-queries are not allowed in the where clause. 2)a multiple row sub-query used with a single row comparison operator. 3)a single row query is used with a multiple row comparison operator.

10 Answers   Zycus Infotech,

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Explain the advantages of inheritance.

0 Answers   TCS,

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