Can java arraylist hold different types?

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Why java is said to be pass-by-value ?

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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.

1 Answers   TCS,

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Should a main method be compulsorily declared in all java classes?

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What is the difference between a method and a function in alice?

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Java openings 3 - 5 years, Lnt Infotech. requirements - core java, J2ee, struts, hibernate Interview Date:- 19 March 2011 Time:- 9:00 AM to 12:00 Pm Interview Location - L & T Infotech, Manapakkam, Chennai Refererral PS NO:- 291649 (Please mention this when u fill the form only then u will be considered for interview) Documents Required:- Latest Resume, Photograph and last 3 payslips Mail me on vasan2211@gmail.com once u appear for interview

0 Answers   L&T,

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What is java console application?

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static inner classes means..?

1 Answers  

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program to validate the IP address? Validity range should be 0 to 255

1 Answers   Huawei,

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What are the operands of instanceof operator?

3 Answers  

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What are anonymous inner classes?

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What is polymorphism in java? What are the kinds of polymorphism?

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