Which Java API are utilized for data persistence in database?

The Java Persistence API (JPA) is a specification of Java. It is used to persist data between Java object and relational database.

What does persistence mean in Java?

to Store Permanently
Persistence simply means to Store Permanently. In JAVA we work with Objects and try to store Object’s values into database(RDBMS mostly). JPA provides implementation for Object Relation Mapping(ORM) ,so that we can directly store Object into Database as a new Tuple.

What are the persistence standards available in Java?

Java Persistence (JPA) 2.0 – JSR 317. Java Architecture for XML Binding (JAXB) 2.2 – JSR 222. Service Data Objects (SDO) 2.1. 1 – JSR 235.

What are persistent entities?

Entities represent persistent data stored in a relational database automatically using container-managed persistence. They are persistent because their data is stored persistently in some form of data storage system, such as a database: they do survive a server failure, failover, or a network failure.

What is REST API in Java?

JAX-RS: Java API for RESTful Web Services (JAX-RS) is a Java programming language API spec that provides support in creating web services according to the Representational State Transfer (REST) architectural pattern. JAX-RS uses annotations, introduced in Java SE 5, to simplify the development and deployment of web service clients and endpoints.

What is meaning of word persistence in Java?

As a specification, the Java Persistence API is concerned with persistence, which loosely means any mechanism by which Java objects outlive the application process that created them. Not all Java objects need to be persisted, but most applications persist key business objects.

What is a collection API in Java?

Here is the listing of Java programming examples: The Collection API is a set of classes and interfaces that support operation on collections of objects. These classes and interfaces are more flexible, more powerful, and more regular than the vectors, arrays, and hashtables if effectively replaces.

What is a reflection API in Java?

Reflection in Java. Reflection is an API which is used to examine or modify the behavior of methods, classes, interfaces at runtime. The required classes for reflection are provided under java.lang.reflect package. Reflection gives us information about the class to which an object belongs and also the methods of that class which can be executed by using the object.