static double findArea ( int r ) {
  return PI * Math . pow ( r , 2 ) ;
}

static double findArea ( int r ) { return PI * Math . pow ( r , 2 ) ; }
(method_declaration (modifiers) type: (floating_point_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier))) body: (block (return_statement (binary_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier) (decimal_integer_literal)))))))