Technical Interview Questions
With respect to multi-threading, synchronization is the capability to control the access of multiple threads to shared resources. Without synchronization, it is possible for one Java thread to modify a shared variable while another thread is in the process of using or updating same shared variable. This usually leads to erroneous behavior or program. In … Read more
Hibernate created a new language named Hibernate Query Language (HQL), the syntax is quite similar to database SQL language. The main difference between is HQL uses class name instead of table name, and property names instead of column name. HQL is extremely simple to learn and use, and the code is always self-explanatory. HQL Select Query … Read more
The core interfaces are used in just about every Hibernate application. Using these interfaces, you can store and retrieve persistent objects and control transactions. Session interface SessionFactory interface Transaction interface Query and Criteria interfaces Hibernate is a popular object-relational mapping (ORM) framework for Java, and it provides several core interfaces that play key roles in … Read more
An Action Class is an adapter between the contents of an incoming HTTP rest and the corresponding business logic that should be executed to process this rest. In Hibernate, the hibernate.cfg.xml file is a configuration file that is used to configure various settings for Hibernate, such as database connection details, dialect, and other properties. The … Read more
The most common methods of Hibernate configuration are: Programmatic configuration XML configuration (hibernate.cfg.xml) In Hibernate, configuration is typically done using a configuration file named hibernate.cfg.xml or programmatically through the Configuration class. The most common methods of Hibernate configuration include: Using hibernate.cfg.xml: Create a configuration file named hibernate.cfg.xml. Specify database connection properties, dialect, mapping files, etc., … Read more