static int sumNatural ( int n ) {
  int sum = ( n * ( n + 1 ) ) ;
  return sum ;
}

static int sumNatural ( int n ) { int sum = ( n * ( n + 1 ) ) ; return sum ; }
(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: (parenthesized_expression (binary_expression left: (identifier) right: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))))))) (return_statement (identifier))))