static long catalan ( int n ) {
  long c = binomialCoeff ( 2 * n , n ) ;
  return c / ( n + 1 ) ;
}

static long catalan ( int n ) { long c = binomialCoeff ( 2 * n , n ) ; return c / ( n + 1 ) ; }
(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: (method_invocation name: (identifier) arguments: (argument_list (binary_expression left: (decimal_integer_literal) right: (identifier)) (identifier))))) (return_statement (binary_expression left: (identifier) right: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal)))))))