If all the methods in abstract class are declared as abstract then what is difference between abstract class and in interface?

8 Answers   Infosys, Synechron,

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Why do we use predicate in java?

0 Answers  

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What is the need to implement Serializable interface (with no methods) for objects which are to be serialized ? We can write our own functionality which writes objects to streams then why we need to implement and tell JVM that which objects can be serialized.

6 Answers   iFlex, Sapient,

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Which class is the superclass of all classes?

0 Answers  

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how and when compiler knows that the Java code throws the checked Exception.

2 Answers   HSBC,

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write a program to create an vector with string(add,remove) operation.and value should be enter through keyboard.

0 Answers   Axcend,

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Can a boolean be null java?

0 Answers  

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Is java call by reference?

0 Answers  

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What is the use of bin and lib in JDK?

8 Answers   TCS,

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What is the purpose of finalization?

4 Answers  

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What is the purpose of stub and skeleton?

0 Answers  

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How do you reverse a string in java?

0 Answers  

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