SEED : Springboot Week 2

REST stands for

• REpresentational State Transport

• Representational Expression State Transfer

• REpresentational Style Transfer

• REpresentational State Transfer

Pick the correct statements

A. REST uses HTTP protocol for producing or consuming web services while SOAP uses XML.

B. SOAP is lightweight as compared to REST and preferred choice in mobile devices and PDA’s

• Both A and B

• A

• None

• B

Choose incorrect ones.

A. 204 No Content

B. 401 Unauthorized

C. 409 Not Modified

D. 304 Conflict

E. 201 Created

• B & D

• C

• E

• C & D

Pick idempotent operations

A. PUT

B. POST

C. HEAD

D. GET

• A, B and C

• B, C and D

• C and A

• A, C and D

Annotation to map the exceptions to HTTP status codes

• @ResponseCode

• @ResponseBody

• @ResponseHeader

• @ResponseStatus

Below code will be traslated into which SQL query ?

public interface UserRepository extends JpaRepository<User, Long> {

List<User> findByFirstnameEndsWith(String firstname);

}

• select * from User u where u.firstname = '?1%'

• select * from User u where u.firstname like '%?1'

• select * from User u where u.firstname = '%?1'

• select * from User u where u.firstname like '?1%'

While querying if record does not exist, findById() returns null and getOne() will throw an exception called EntityNotFoundException.

State True or False

• True

• False

What is JDBC Savepoint?

• An intermediate or checkpoint in a transaction

• A point where we can store queries

• A point where the JDBC application starts execution

• A memory where we can store transaction

Select correct statement

• getConnection("jdbc:thin@localhost:1521:oracle", "scott", "tiger");

• getConnection("jdbc::thin@localhost:1521:oracle", "scott", "tiger");

• getConnections("jdbc::thin@localhost:1521:oracle", "scott", "tiger");

• getConnection("jdbc::oracle@localhost:1521:thin", "scott", "tiger");

JPA implementation is provided by

• Hibernate

• Toplink

• Ibatis

• A, B & C