Can a abstract class be defined without any abstract methods?

0 Answers  

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Explain different forms of polymorphism?

0 Answers  

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i would like to attend for an interview of datalab technologies company i want to know the pattern of imnterview.

0 Answers  

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

0 Answers  

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why string constant pool in java

2 Answers   TCS,

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Java violates few objected oriented concepts. Can you explain in what way?

3 Answers   Ness Technologies,

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Wha is the output from system.out.println(“hello”+null); ?

0 Answers  

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Have you used any version control ? if so explain about it?

2 Answers  

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public class Test { public static void main(String ar[]) { Integer a = 10; Integer b =10; Integer c = 145; Integer d = 145; System.out.println(a==b); System.out.println(c==d); } }

7 Answers   iGate,

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What are the different types of collections in java?

0 Answers  

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When will you define a method as static?

0 Answers  

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What is Difference between Serializable and Externalizable in Java serialization?

1 Answers   Cognizant, IBM,

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