static int doubleFactorial ( int n ) {
  int fact = 1 ;
  for ( int i = 1 ;
  i <= n ;
  i = i + 2 ) {
    fact = fact * i ;
  }
  return fact ;
}

static int doubleFactorial ( int n ) { int fact = 1 ; for ( int i = 1 ; i <= n ; i = i + 2 ) { fact = fact * i ; } return fact ; }
(method_declaration (modifiers) type: (integral_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier))) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (identifier)) update: (assignment_expression left: (identifier) right: (binary_expression left: (identifier) right: (decimal_integer_literal))) body: (block (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (identifier) right: (identifier)))))) (return_statement (identifier))))