How do you declare an empty string?
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Hi Friends, Can u give few interview questions which relates ArrayList and Hashmap. I mean how to link ArrayList and HashMap.I know this is not good way of asking questions like this , but i need
What is the difference between stored procedure & function?
Difference between an argument and a parameter?
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What is constant in programming?
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What is the latest version of java?
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After compilation of java program we'll get .class code. If it's generated in OS Windows XP will it work on OS Linux? If yes why? If no why?
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Core Java 
