Why we go for collections in java?


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More Core Java Interview Questions

where exactly collections are usefull in realtime

2 Answers  


Suppose there is a System A which gives some output. This output is used as input by system B. The rate at which System A produces is faster than the rate at which system B consumes it. How can you improve this?

1 Answers   RBS,


Can list be final in java?

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How many unicode characters are there?

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What is method and methodology?

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Can any one say how will sort map objects in java?

2 Answers   TCS,


where singleton classes are used in j2ee web application.can we use it for connection pooling.

1 Answers  


Write a program to find the whether a number is an Armstrong number or not?

0 Answers   Aspire, Infogain,


What are different types of access modifiers?

3 Answers  


When a byte datatype is used?

5 Answers  


Differentiate between a constructor and a method? Can we mark constructors final?

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What is namespace in java?

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