What is the differences between c++ and java? Explain

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I have a sorting issue with a Hashmap. My constraint is that I MUST use the Hashmap and work with existing code. I do a database query and place the results in a Hashmap. When I iterate thru the Hashmap, it loses the original alphabetical sorting done by the database. So, my problem is that I must sort the results coming out of the Hashmap which is then placed into another class.

1 Answers  

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is there a separate stack for each thread in java? : Java thread

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How are Observer and Observable used?

3 Answers  

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Is static a keyword in java?

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What is overloading and overriding in java?

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what is net based application and its types

1 Answers  

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my method "abc" return array of interface "xyz" and "pqr" is abstract class implements abc and class "jkl" extends pqr My problem 1) when i call abc it retrun array xyz how can i do this hint xyz refer_xyz = new jkl(); but i can't create array. 2)I want to access method of jkl using reference of xyz??

1 Answers  

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What are heap memory and stack memory and what are memory tables.

0 Answers   Aspiring Minds,

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What is files manifesting?

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Name the methods in mouse listeners ?

4 Answers  

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Why java Don't Support Multiple interitence

8 Answers   ABC, Exilant, IBM,

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