code: /*
  SingleSpaceSeparator
  validateComments = (default)false
  
  
  */
  
  package com.puppycrawl.tools.checkstyle.checks.whitespace.singlespaceseparator;
  
  public class InputSingleSpaceSeparatorWithEmoji {
  
      String s1 = "🧐😉           assa  "; // ok
      String s2 = "🧐😉" + "          " + "assa  "; // ok
      String s3 =  "🧐" + "🎄 "; // violation 'Use a single space to separate non-whitespace characters'
      String s4
              =   "da🎄"; // violation 'Use a single space to separate non-whitespace characters'
      private void foo(String s) {
        if (s.equals("🤩🎄")  ){ // violation 'Use a single space to separate non-whitespace characters'
                  foo(s);
        }
      }
  
      /* ok */ /*🧐*/ String s = "🎄😉";
      String /* 🧐  block comment ok */   st =  "🎄  assa";
      // violation above 'Use a single space to separate non-whitespace characters'
      String str = "🤩🎄";   // Multiple whitespaces before comment
  ;       String j = ""; // violation 'Use a single space to separate non-whitespace characters'
      /**
       * ok
       */
      void foo2() {
          /* ok */
          String  s = "🧐  🧐"; // violation 'Use a single space to separate non-whitespace characters'
      }  // ok
  
      private  void foo3  (String     s) { // 3 violations
          if (s.substring(0).equals("da🎄")  )  { // 2 violations
            if  ("🧐". // violation 'Use a single space to separate non-whitespace characters'
                    isEmpty()){
  /*🧐*/       }  else { // violation 'Use a single space to separate non-whitespace characters'
            }
          }
  
      }
  }
  