what is difference betwwen hashmap and hashtable ?

7 Answers   Fidelity,

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When to use runnable interface vs thread class in java?

0 Answers  

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what is the diff b/w arraylist and vector?

6 Answers   Code Genesis, Genesis, Sprintine Labs,

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Explain the difference between the Boolean & operator and the && operator?

1 Answers  

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. What are the differences between constructor and method of a class in Java?

1 Answers  

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Which category the java thread do fall in?

0 Answers  

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how many types of cloning?

4 Answers   Mobily,

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What are the differences between processes and threads?

0 Answers  

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How many types of memory areas are allocated by jvm?

0 Answers  

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Which collection does not allow duplicates in java?

0 Answers  

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I want to run a simple hello world java (HelloWorld.java) program using a batch file. How can i run it and how to construct a batch file.

1 Answers   Infosys,

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Which Component subclass is used for drawing and painting?

1 Answers  

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