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Advanced Java Quiz Day 50
Question 1
Which of the following is true about ORM?
It maps Java objects to XML configuration only
It allows mapping Java objects to database tables
It is only used in NoSQL databases
It is used for converting JSON to Java Objects
Question 2
Which statement correctly describes JPA?
JPA is a framework that directly implements ORM functionality
JPA is a specification for ORM in Java
JPA is only compatible with Hibernate
JPA is a database vendor-specific API
Question 3
Hibernate can be described as:
A specification of ORM
An implementation of the JPA specification
A NoSQL database system
A Java Persistence Interface
Question 4
In the Hibernate lifecycle, which state means the object is not associated with any Hibernate Session and is just a normal Java object?
Persistent
Detached
Transient
Removed
Question 5
Which Hibernate lifecycle state means the object is associated with a Hibernate Session and changes are tracked automatically?
Persistent
Detached
Removed
Transient
Question 6
Which annotation is used to mark a class as a JPA entity?
@Id
@Entity
@Table
@Column
Question 7
Which annotation specifies the primary key of an entity?
@Entity
@Table
@Id
@Primary
Question 8
The @Table annotation in JPA is used for:
Mapping an entity to a specific database table
Defining the primary key column
Creating indexes in the database
Mapping entity fields to columns
Question 9
Which is NOT a valid Hibernate lifecycle state?
Transient
Persistent
Cached
Detached
There are 9 questions to complete.