Check for Duplicate Values

The array {3, 5, 2, 5, 8} is given. Determine whether any value appears more than once, and print true if there is a duplicate or false otherwise (see Expected Output).

Here 5 appears twice, so the answer is true. Print the boolean in lowercase exactly as System.out.println(boolean) produces it.

Expected Output:

true↵

= newline. The output ends with a newline — print one after the last line.

Hints4 available

Topics:

Arrays

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