2. Using HashSet, write an efficient method in Java that removes all occurrences of a character but the first

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2 Using Hashset Character Write An Efficient Method In Java That Removes All Occurrences Of A Character But The First 1 (18.56 KiB) Viewed 37 times

2. Using HashSet<Character>, write an efficient method in Java that removes all occurrences of a character but the first one in a given String and returns the result. Here is the method's signature: removeAllButFirstOccurrence(String input){ public static String //your code here }