is it mandatory to deaclare all variables public static fianl in interfaces?if i declare like in the below program, public interface A { public static final int I=0; int j=0; } in interface A,what is the difference between I,j?

2 Answers  

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Can we extend the String class?

3 Answers   Truworth,

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How do you read a char in java?

0 Answers  

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When do we use hashset over treeset?

0 Answers  

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what is marker interface ? what is the necessity of it?

5 Answers   Accenture, Newgen,

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How do you ensure that n threads can access n resources without deadlock?

0 Answers  

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Howmany classes that package java.applet.* contains?

1 Answers   TCS,

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what is private constructor?what are the uses of writing private constructor in our program?

10 Answers  

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Hi i am creating desktop application in that i want calling to mobile number. i have java telephone api (JTAPI) but i dont understand how it configure & use plese help me

0 Answers  

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What is the need of transient variables in Java ?

0 Answers   MCN Solutions,

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What is integers and example?

0 Answers  

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Is singleton set an interval?

0 Answers  

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