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tim@ggc.edu > changeVowels
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Change all the vowels in a string to the letter 'x' Example, "hello" -> "hxllx"


changeVowels("hello") → "hxllx"
changeVowels("Oh my gosh") → "xh my gxsh"
changeVowels("bird bird bird bird is the word") → "bxrd bxrd bxrd bxrd xs thx wxrd"

...Save, Compile, Run (ctrl-enter)

public String changeVowels( String str) { }

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