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What is the difference between Enumeration and Iteration
interfaces? What is the way of to retreive the objects from
these interfaces ?
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Answer / suma
1.Enumeration interface applicable legacy implemented classes.
Iterator is applicable for all collection implemented classes.
2.Enumeration :While iterating the elements we are not
allowed to remove the objects just we can perform only read
operation
Iterator:While iterating we can perform removal also in
addition to read operation
3. Enumeration uses elements() method ,
Iterator uses iterator() method
| Is This Answer Correct ? | 8 Yes | 0 No |
there are 67 seats in train . there are only 5 seats in a row and in last row there are only 2 seats. One person can reseve only 5 seat at a time. If person reserving seat , the care is atken that he may get all in row. if seats are not available in row then the arrangement is so that person group get nearby seats. the following class is given public class seat { char name; int seat; boolean isSeatempty } 1.Draw require class digram and object diagram. 2.Write function seatallot(int noofperson) to allocate seat with seat nuber printed for the each name.
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