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abraskin@mbusd.org > isAbba
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Return true only if a given String has the letters a and b in both the first and last two characters.


All of the Strings "abab", "abba","baab", and "baoba" would return true while none of the Strings "aabb", "bbba", "abbb", nor "ba baracus" would.

isAbba("abab") → true
isAbba("abba") → true
isAbba("baab") → true
...Save, Compile, Run (ctrl-enter)
public boolean isAbba(String s) {
  
}






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