static boolean checkForSorting ( int arr [ ] , int n ) {
  for ( int i = 0 ;
  i < n - 1 ;
  i ++ ) {
    if ( arr [ i ] > arr [ i + 1 ] ) {
      if ( arr [ i ] - arr [ i + 1 ] == 1 ) {
        int temp = arr [ i ] ;
        arr [ i ] = arr [ i + 1 ] ;
        arr [ i + 1 ] = temp ;
      }
      else return false ;
    }
  }
  return true ;
}

static boolean checkForSorting ( int arr [ ] , int n ) { for ( int i = 0 ; i < n - 1 ; i ++ ) { if ( arr [ i ] > arr [ i + 1 ] ) { if ( arr [ i ] - arr [ i + 1 ] == 1 ) { int temp = arr [ i ] ; arr [ i ] = arr [ i + 1 ] ; arr [ i + 1 ] = temp ; } else return false ; } } return true ; }
(method_declaration (modifiers) type: (boolean_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier) dimensions: (dimensions)) (formal_parameter type: (integral_type) name: (identifier))) body: (block (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (binary_expression left: (identifier) right: (decimal_integer_literal))) update: (update_expression (identifier)) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (array_access array: (identifier) index: (binary_expression left: (identifier) right: (decimal_integer_literal))))) consequence: (block (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (array_access array: (identifier) index: (binary_expression left: (identifier) right: (decimal_integer_literal)))) right: (decimal_integer_literal))) consequence: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (array_access array: (identifier) index: (identifier)))) (expression_statement (assignment_expression left: (array_access array: (identifier) index: (identifier)) right: (array_access array: (identifier) index: (binary_expression left: (identifier) right: (decimal_integer_literal))))) (expression_statement (assignment_expression left: (array_access array: (identifier) index: (binary_expression left: (identifier) right: (decimal_integer_literal))) right: (identifier)))) alternative: (return_statement (false))))))) (return_statement (true))))