public static void main ( String [ ] args ) {
  int r = 9 , n = 2 ;
  long val = stirlingNumber ( r , n ) ;
  if ( val == - 1 ) System . out . println ( " No stirling number" ) ;
  else System . out . println ( "The Stirling Number s(" + r + ", " + n + ") is : " + val ) ;
}

public static void main ( String [ ] args ) { int r = 9 , n = 2 ; long val = stirlingNumber ( r , n ) ; if ( val == - 1 ) System . out . println ( " ▁ No ▁ stirling ▁ number " ) ; else System . out . println ( " The ▁ Stirling ▁ Number ▁ s ( " + r + " , ▁ " + n + " ) ▁ is ▁ : ▁ " + val ) ; }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (identifier))) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal)) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation name: (identifier) arguments: (argument_list (identifier) (identifier))))) (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (unary_expression operand: (decimal_integer_literal)))) consequence: (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (string_literal)))) alternative: (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (binary_expression left: (binary_expression left: (binary_expression left: (binary_expression left: (binary_expression left: (string_literal) right: (identifier)) right: (string_literal)) right: (identifier)) right: (string_literal)) right: (identifier))))))))