Write a method public static int count vowelsstring str, Computer Engineering

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Write a method public static int count vowelsstring str

Problem

1. Write a method public static String repeat(String str, int n) that returns the string str repeated n times. For example, repeat("ho", 3) returns "hohoho".

2. Write a method public static int count Vowels(String str) that returns a count of all vowels in the string str. Vowels are the letters a, e, i, o, and u, and their uppercase variants.

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