Question: Given a string, return recursively a cleaned string where adjacent chars that are the same have been reduced to a single char. So yyzzza yields

Given a string, return recursively a "cleaned" string where adjacent chars that are the same have been reduced to a single char. So "yyzzza" yields "yza" stringClean("yyzzza") "" stringClean("abbbcdd") - "abcd" stringClean("Hello")"Helo" public static String stringClean(String str)
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