Is null a value?

0 Answers  

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Why hashmap is used in java?

0 Answers  

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What is singleton class in ruby?

0 Answers  

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The following program is Overloading or Overriding? public class PolymorphismEx { public int sampleMethod(int a) { return a; } public String sampleMethod(int a) { return "Is it Overloading or Overriding???"; } }

4 Answers   Ness Technologies, TCS,

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Can I extend singleton class in java?

0 Answers  

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A non-static inner class may have object instances that are associated with instances of the class’s outer class. A static inner class does not have any object instances.

0 Answers  

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How to print nodes of a Binary tree?

1 Answers   TCS,

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What is the protocol is used in type4 driver?

4 Answers   CMC,

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What are the differences between string and stringbuffer?

0 Answers  

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Why synchronization is important?

0 Answers  

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Can an exception be rethrown?

4 Answers   Wipro,

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How can we create an immutable class in java?

0 Answers  

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