private static boolean checkRight ( int l , int r , char [ ] arr , int n ) {
  char baseRightChar = arr [ r - 1 ] ;
  for ( int i = r ;
  i < n ;
  i ++ ) {
    if ( arr [ i ] == baseRightChar ) return true ;
  }
  return false ;
}

private static boolean checkRight ( int l , int r , char [ ] arr , int n ) { char baseRightChar = arr [ r - 1 ] ; for ( int i = r ; i < n ; i ++ ) { if ( arr [ i ] == baseRightChar ) return true ; } return false ; }
(method_declaration (modifiers) type: (boolean_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier)) (formal_parameter type: (integral_type) name: (identifier)) (formal_parameter type: (array_type element: (integral_type) dimensions: (dimensions)) name: (identifier)) (formal_parameter type: (integral_type) name: (identifier))) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (array_access array: (identifier) index: (binary_expression left: (identifier) right: (decimal_integer_literal))))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (identifier))) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (identifier))) consequence: (return_statement (true))))) (return_statement (false))))