What if constructor is protected in java?
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What is the use of arraylist in java?
When should I use abstract classes and when should I use interfaces?
What is the difference between class & structure?
Can we have any other return type than void for main method?
How to create two different thread class inside a main function?
Can a function return a function?
Can variables be used in java without initialization?
What is return data type?
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 generic type?
What is set and get methods in java?
Is java an ide?