static void power ( int F [ ] [ ] , int n ) {
  if ( n == 0 || n == 1 ) return ;
  int M [ ] [ ] = new int [ ] [ ] {
    {
      1 , 1 }, {
        1 , 0 }
      };
      power ( F , n / 2 ) ;
      multiply ( F , F ) ;
      if ( n % 2 != 0 ) multiply ( F , M ) ;
    }
    
static void power ( int F [ ] [ ] , int n ) { if ( n == 0 || n == 1 ) return ; int M [ ] [ ] = new int [ ] [ ] { { 1 , 1 } , { 1 , 0 } } ; power ( F , n / 2 ) ; multiply ( F , F ) ; if ( n % 2 != 0 ) multiply ( F , M ) ; }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier) dimensions: (dimensions)) (formal_parameter type: (integral_type) name: (identifier))) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (binary_expression left: (identifier) right: (decimal_integer_literal)))) consequence: (return_statement)) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) dimensions: (dimensions) value: (array_creation_expression type: (integral_type) dimensions: (dimensions) value: (array_initializer (array_initializer (decimal_integer_literal) (decimal_integer_literal)) (array_initializer (decimal_integer_literal) (decimal_integer_literal)))))) (expression_statement (method_invocation name: (identifier) arguments: (argument_list (identifier) (binary_expression left: (identifier) right: (decimal_integer_literal))))) (expression_statement (method_invocation name: (identifier) arguments: (argument_list (identifier) (identifier)))) (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (decimal_integer_literal))) consequence: (expression_statement (method_invocation name: (identifier) arguments: (argument_list (identifier) (identifier)))))))