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abraskin@mbusd.org 2019_units1-4_practice > replaceFirst
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Given a String return the same String but with each occurrence of the first character replaced by the second character unless they are the same and then return "oops" instead.


Also return "oops" if the String is less than two characters long.

replaceFirst("abbracadabbra") → "bbbrbcbdbbbrb"
replaceFirst("a") → "oops"
replaceFirst("aa") → "oops"
...Save, Compile, Run (ctrl-enter)
public String replaceFirst(String str) {
  
}






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