write a simple java method that would replace a string. For example there's an 'r' following a vowel ('a', 'e', i', 'o', or 'u'), replace 'r' with 'h'. ( "I left my car keys by the harbor" becomes "I left my cah keys by the hahboh.")

write a method in java that would

a) Append an r to the word that ends in A.

b) replace a word with another word. for example "very" with the word "wicked".

Part two.

write a method:

1) If 'r' is at the end of a word and is preceded by "ee" or 'i' replace 'r' with "yah" instead of 'h'. For example, "deer" becomes "deeyah" instead of "deeh", but "veneers" still becomes "veneehs".

2.If 'r' is at the end of a word and is preceded by "oo", replace 'r' with "wah". For example, "door" becomes "doowah" instead of "dooh" (but "doors" still becomes "doohs").

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So I'm just asking for these methods in java (try to make them easy to understand so i can base my methods off of these) appreciate the help.