What is constructor and virtual function? Can we call a virtual function in a constructor?

0 Answers  

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What is a lambda expression ? What's its use ?

0 Answers  

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Explain the difference between an Interface and an Abstract class?

0 Answers   BirlaSoft,

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can you use the two main method in same class?how?

4 Answers   DELL, Geosoft, SparkTG,

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What is valid keyword in java?

0 Answers  

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What is the difference between instanceof and isinstance?

0 Answers  

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my method "abc" return array of interface "xyz" and "pqr" is abstract class implements abc and class "jkl" extends pqr My problem 1) when i call abc it retrun array xyz how can i do this hint xyz refer_xyz = new jkl(); but i can't create array. 2)I want to access method of jkl using reference of xyz??

1 Answers  

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In how many ways we can do synchronization in java?

0 Answers  

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can we access the super class method using subclass object?

4 Answers  

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What is “try and catch” in java

5 Answers   Cap Gemini, TCS,

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Given a singly linked list, determine whether it contains a loop or not without using temporary space?

0 Answers   Global Logic,

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How do singleton patterns work?

0 Answers  

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