When should I use abstract classes and when should I use interfaces?

2 Answers  

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What is the use of a conditional inclusion statement in Java ?

0 Answers   Global Logic,

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How can you reverse a string?

8 Answers  

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What is the difference between compile-time polymorphism and runtime polymorphism?

0 Answers  

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StringBuilder s = new StringBuilder("Hello Mom");s.append(",I mean,Mother"); Response.Write(s.ToString()); String s = "Hello Mom"; s+ = ",I mean Mom"; Response.Write(s); Which is faster ? which uses the most memory?

6 Answers   HCL,

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explain me with a code snippet about the generation and handling of null point exceptions.

1 Answers  

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Does constructor be static?

0 Answers  

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How to use string tokenizer class.

0 Answers  

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why we need this (1.object,2.class,3.data hiding,4.encapsulation,5.abstraction,6. polymorphism,7.inheritance)

2 Answers  

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What happens if an exception is throws from an object's destructor?

0 Answers   Amazon,

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Difference between comparator and comparable in java?

0 Answers  

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How Marker Interfaces are instruct to complete the desired need ?

2 Answers  

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