Oracle Updated 1z0-809 Exam Questions and Answers by zayne

[A Guide to Java Tour:3.0, Beginning with Java:2.0]

[Beginning with Java:2, A Guide to Java Tour:3]

A compilation error occurs because the Book class does not override the abstract method compareTo().

An Exception is thrown at run time.

Stream.of(list1, list2).flatMap(list -> list.stream()).forEach(s -> System.out.print(s + “ “));

Stream.of(list1, list2).flatMap(list -> list.intStream()).forEach(s -> System.out.print(s + “ “));

list1.stream().flatMap(list2.stream().flatMap(e1 -> e1.stream()).forEach(s -> System.out.println(s + “ “));

Stream.of(list1, list2).flatMapToInt(list -> list.stream()).forEach(s -> System.out.print(s + “ “));

It provides a session with the database.

It is used to get an instance of a Connection object by using JDBC drivers.

It provides a cursor to fetch the resulting data.

It provides a class for executing SQL statements and returning the results.

Hello : Jim Hello : John Hello : Jeff

Jim John Jeff

The program prints nothing.

A compilation error occurs.