1. Write a Java program to remove all of the elements from a hash set

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2. Write a Java program to compare two sets and retain elements which are same on both sets

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3. Write a Java program to compare two hash sets

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4. Write a Java program to convert a hash set to a List/ArrayList

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5. Write a Java program to convert a hash set to a tree set

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6. Write a Java program to convert a hash set to an array

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7. Write a Java program to clone a hash set to another hash set

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8. Write a Java program to test a hash set is empty or not

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9. Write a Java program to empty an hash set

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10. Write a Java program to get the number of elements in a hash set

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11. Write a Java program to iterate through all elements in a hash list

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12. Write a Java program to append the specified element to the end of a hash set

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13. Write a Java program to Removes first Occurrence of the element specified in the argument list from the hashset

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14. Write a Java program to Traverse over the elements of the hashset

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15. Write a Java program to Removing elements of the hashset

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16. Write a Java program to Adding duplicate elements to HashSet

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17. Write a Java program to Adding ArrayList elements to HashSet

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18. Write a Java program to Copy Set content to another HashSet

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19. Write a Java program to Copy all elements from HashSet to an array

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20. Write a Java program to Create a HashSet with string items

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21. Write a Java program to Create a HashSet with different types of items

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22. Write a Java program to Print a HashSet collection using the foreach loop

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23. Write a Java program to Check whether a HashSet contains a specified item or not

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24. Write a Java program to Create a set of Complex numbers using HashSet collections

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25. Write a Java program to Find the union of HashSet collections

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26. Write a Java program to Find the intersection of HashSet collections

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27. Write a Java program to Print HashSet elements using spliterator() method

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28. Write a Java program to Print HashSet elements using parallelStream() method

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29. Write a Java program to Remove elements from HashSet collection based on a specified predicate

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30. Write a Java program to Remove HashSet elements contained in other HashSet

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