static void pattern_lower ( int n , int num ) {
  if ( n == 0 ) return ;
  print_asterisk ( n ) ;
  print_space ( 2 * ( num - n ) + 1 ) ;
  print_asterisk ( n ) ;
  System . out . println ( ) ;
  pattern_lower ( n - 1 , num ) ;
}

static void pattern_lower ( int n , int num ) { if ( n == 0 ) return ; print_asterisk ( n ) ; print_space ( 2 * ( num - n ) + 1 ) ; print_asterisk ( n ) ; System . out . println ( ) ; pattern_lower ( n - 1 , num ) ; }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier)) (formal_parameter type: (integral_type) name: (identifier))) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) consequence: (return_statement)) (expression_statement (method_invocation name: (identifier) arguments: (argument_list (identifier)))) (expression_statement (method_invocation name: (identifier) arguments: (argument_list (binary_expression left: (binary_expression left: (decimal_integer_literal) right: (parenthesized_expression (binary_expression left: (identifier) right: (identifier)))) right: (decimal_integer_literal))))) (expression_statement (method_invocation name: (identifier) arguments: (argument_list (identifier)))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list))) (expression_statement (method_invocation name: (identifier) arguments: (argument_list (binary_expression left: (identifier) right: (decimal_integer_literal)) (identifier))))))