static void printValueOfPi ( int N ) {
  double pi = 2 * Math . acos ( 0.0 ) ;
  System . out . println ( pi ) ;
}

static void printValueOfPi ( int N ) { double pi = 2 * Math . acos ( 0.0 ) ; System . out . println ( pi ) ; }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier))) body: (block (local_variable_declaration type: (floating_point_type) declarator: (variable_declarator name: (identifier) value: (binary_expression left: (decimal_integer_literal) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (decimal_floating_point_literal)))))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (identifier))))))