Programme Code : BCA
Course Code : cs-74
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Year : 2013 Views: 851 Submitted By : abhinav sharma On 15th March, 2013

Do you have solution for this Question. If yes    I aslo want solution.

Q.


Answer the following questions. (i) Why do we use interfaces in Java? Explain with examples.

(ii) What happens if an abstract modifier is applied to class? Explain.

(iii) When do we use PageInt ()? Explain with the example.

(iv) How do you define package in Java? How do you prevent a class from

being accessed from one package to another package? List some

important packages.

(v) What is the purpose of text field? List and explain its construction

and important methods.


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