What is map in java?


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More Core Java Interview Questions

Explain the concept of hashtables?

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How can you add and remove nodes in jtree?

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How many bits is a double?

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Sample code to retrieve objects from HashMap in sorted ascending order?

2 Answers  


What is Difference between Serializable and Externalizable in Java serialization?

1 Answers   Cognizant, IBM,






Why do we need main method to execute a java program?

1 Answers   Virtusa,


Which package is always imported by default?

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What are classloaders?

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what is finalmethod & final variable with example?

6 Answers   HP,


Why java is made?

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Can you achieve runtime polymorphism by data members?

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which pattern is default in scanner package?

0 Answers   Satyam,


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