What do you mean by byte code?
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which one is performance wise advantageious from List,Set,Map?
Explain different ways of creating a thread?
What is the difference between yielding and sleeping in java programming?
Which class is the superclass for every class in java programming?
What is the main use of java?
What is polymorphism in java? What are the kinds of polymorphism?
Is void a data type in java?
Can arraylist contain null values?
What is the difference between the synchronized() & static synchronized()?
I need some details about an employee. i have only the employee id in my presentation layer(JSP).I entered that ID and click "Show Details" Button. Question is how the JSP pass that id to Controller layer and DAO and what mechanism we are using to retrive data from DB and how the data passed to JSP as a Output. Please explain in detail.
What is multithreading in java?
How to retrieve data from database in java using arraylist?