static int fib ( int n ) {
  int i = n - 1 ;
  int x = ( int ) ( ( Math . pow ( p , i ) - Math . pow ( q , i ) ) / ( p - q ) ) ;
  return x ;
}

static int fib ( int n ) { int i = n - 1 ; int x = ( int ) ( ( Math . pow ( p , i ) - Math . pow ( q , i ) ) / ( p - q ) ) ; return x ; }
(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: (binary_expression left: (identifier) right: (decimal_integer_literal)))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (cast_expression type: (integral_type) value: (parenthesized_expression (binary_expression left: (parenthesized_expression (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier) (identifier))) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier) (identifier))))) right: (parenthesized_expression (binary_expression left: (identifier) right: (identifier)))))))) (return_statement (identifier))))