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Hibernate Persist Example

In hibernate; an entity or a record can be saved in a database using the save(), persist(), or the saveOrUpdate() method. In this tutorial, will explore the use of persist() method to commit an entity to the database. 1. Introduction Object-Relational Mapping or ORM is the programming technique to map application domain model objects to the relational database tables Hibernate ...

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Hibernate @NamedQuery Annotation Example

In hibernate; developers can create the Named Queries that is a group of query statements. This tutorial will explore the use of @NamedQueries annotation in the hibernate framework. 1. Introduction Object-Relational Mapping or ORM is the programming technique to map application domain model objects to the relational database tables Hibernate is a Java-based ORM tool that provides the framework for ...

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Spring static factory-method Example

In spring, developers can create a bean (or the object instantiation) by invoking the static-factory-method. This tutorial will explore the use of factory-method attribute in the spring configuration file. The factory-method attribute is used when the factory-method is static in nature 1. Introduction Spring is an open-source framework created to address the complexity of an enterprise application development One of ...

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Java 8 Join Arrays Example

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1. Introduction An Array is a data structure which holds a fixed number of objects with the same type. Joining Arrays is to combine two arrays into one. Java 8 enhances Collection by providing a new Stream interface. A stream is not a data structure, instead it is created from Collection, Array, or I/O channels. Java 8 provides a Stream interface which contains several methods ...

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Java Singleton Design Pattern Example

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1. Introduction In this article, we would be focusing on one of the many Java design patterns – The Java Singleton Design pattern with the help of a real-life example. In a massive Java application developed for a large organization, often it ends up hard to oversee and comprehend the code. With a fluctuating profile of designers taking a shot ...

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SLF4J Tutorial for Beginners

In this post, we feature a comprehensive SLF4J Tutorial in order to understand how it helps addresses the problem of logging in software world. 1. SLF4J Tutorial – Introduction Before jumping into SLF4J, we will take a short look at the reason for its existence. Logging is important aspect of any application. It can help troubleshoot common issues within our ...

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MySQL Most Popular Functions Tutorial

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1. Introduction In this post, we feature a comprehensive Tutorial on MySQL Most Popular Functions. MySQL is one of the most used SQL databases in many of the world-enterprise applications due to its ability to manage transactions and the ACID-behaviour which is built into its core. One of the reasons MySQL is so popular is due to the easiness it provides ...

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Spring init-method and destroy-method Tutorial

Sometimes when the spring beans are created developers need to perform the initialization operations and the cleanup operations before the bean is destroyed. In the spring framework, we can use the init-method and the destroy-method tags in the bean configuration. This tutorial will explore these tags to briefly understand the initialization and destruction.               ...

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Java 8 Convert a primitive Array to List Example

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In this article we will learn how to Convert a primitive Array to List using Java 8. For this example we will use IDEA IntelliJ but you can also use any IDE. 1. Introduction An array is a container object that holds a fixed number of values of a single type. The length of an array is established when the ...

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Selenium Web Application Testing Example

1. Introduction In this post, we feature a comprehensive example on Selenium web application testing. A web application is a client-server computer program which the client runs in a web browser. Spring Web model-view-controller (MVC) framework provides an easier way to develop a web application. Spring boot provides auto configuration to simplify the configuration steps. Selenium is a set of software tools ...

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