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Help will be highly rated and gratefully appreciated. Stuck with this question: I have a linked...

Help will be highly rated and gratefully appreciated. Stuck with this question: I have a linked list that stores string at each node. Now I need help with these:

1. public String findSmallestAndRemove()

The findSmallestAndRemove method should search the smallest string (using compareTo method of the String class), and removes all of such smallest strings in the linked list, and return the smallest string. It should return null if the linked list is empty.

2. public int countHowManyStringsWithGivenLength(int length)

The countHowManyStringsWithGivenLength methods counts how many strings in the linked list have their lengths equivalent to the given length.

3. public void duplicateFirstSome(int howMany)

The duplicateFirstSome method duplicates the first some elements specified by the parameter howMany. For example, if the parameter howMany is 4, and the linked list contains [ Banana Lemon Tomato Potato Lime ], then after this method is called, the linked list should contain [ Banana Banana Lemon Lemon Tomato Tomato Potato Potato Lime ] by duplicating the first four elements only. If the parameter howMany is 0 or less than 0, then the method should not change the content of the linked list. If the parameter howMany is same as the number of elements in the linked list or larger, then all elements in the linked list should be duplicated.

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