How do you achieve polymorphism in java?

0 Answers  

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Howmany number of objects we can store in an ArrayList. Is there any limit?

7 Answers   TCS,

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Write POJO class as a key to hashmap???

2 Answers  

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Is linked list a linear or non-linear data structure?

0 Answers   Akamai Technologies,

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Hi Friends, can you explain instance in java. In general instance means "occurence of something" . In java what is instance.

4 Answers  

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I have one Shopping cart application, i that i have selected some items, while clicking submit button by mistake i have clicked twice or trice, that time items are selected twice or trice. Actually i want only one copy of items but its selected twice or trice. So how can we avoid this problem?

2 Answers   Honeywell,

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What is a super method?

0 Answers  

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What is java virtual machine and how it is considered in context of java’s platform independent feature?

0 Answers  

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What is mutable object and immutable object?

0 Answers  

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How many ways can we create the string object?

0 Answers  

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Which class has no duplicate elements?

8 Answers  

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Inorder to specify a container?s layout, which method is used?

1 Answers  

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