Question: Write a method that replaces all instance of one letter with another. For example, replaceLetter(hello, 'l', 'y') returns heyyo public String replaceLetter(String word, char letterToReplace,

Write a method that replaces all instance of one letter with another.

For example,

replaceLetter("hello", 'l', 'y')

returns

"heyyo"

public String replaceLetter(String word, char letterToReplace, char replacingLetter) { }

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