Question: Java Algorithm:s Write a function to return the first non-repeated character in a String; assume ascij characters; optimize for really long strings. Write a function

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Java Algorithm:s Write a function to return the first non-repeated character in

Algorithm:s Write a function to return the first non-repeated character in a String; assume ascij characters; optimize for really long strings. Write a function that returns the number of unique characters in a string. For example, "dinner should return 5. Write a function that reverses all the vowels in a string, and leaves the other characters in place. For example, "dinner should return "denoi

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