JSRs and APIs

In this section on the Java programming language, get news, advice, and tutorials on using Java in enterprise application development. Learn why Java is so widely used in programming today, and discover tricks to use and pitfalls to avoid. It's important to stay informed about the latest Java Specification Requests (JSRs) and application programming interfaces (APIs). We bring you news about JSRs and APIs, popular Java platforms, classes, objects, IDEs, and SDKs that exist for programming in Java.

June 01, 2020 01 Jun'20
How to make multiple values per key in a Java map possible

Need to add multiple values to a key in a Java HashMap but can't figure out how to do it? Here are three examples of how to solve the multiple values per key problem in Java.
February 07, 2020 07 Feb'20
Why you should make kebab case a URL naming convention best practice

They say there are only two difficult challenges in the world of computer programming: Synchronizing the invalidation of a distributed tertiary and quaternary cache; and What to name things. Given ...
December 15, 2019 15 Dec'19
Moving JavaOne to Las Vegas shows Oracle has 2020 vision

The rebranding of JavaOne to Oracle Code One and move from San Francisco to Las Vegas is one that I will welcome with open arms, and you should too.
June 25, 2019 25 Jun'19
Hibernate vs JPA: What's the difference between these database ORM APIs?

Let us settle the Hibernate vs JPA debate for you. Here we explain the difference between JPA and Hibernate so that you'll never have to choose between the two database APIs.

Bring yourself up to speed with our introductory content

How JPA EntityManager handles Hibernate transaction management

Follow this JPA EntityManager persist example tutorial to see how it can be used for transaction management and how to save changes to the database. Continue Reading
3 ways to have JPA and Hibernate create tables in a database

JPA frameworks such as Hibernate can automatically create tables. Here are three ways to have JPA and Hibernate create tables in a database. Continue Reading
Simple database integration with the JPA persistence.xml file

The persistence.xml file plays a significant role in all facets of JPA-based application development. Examine the file's properties for a simple configuration to ease development. Continue Reading

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Why the const keyword in Java is not implemented

Why is the const keyword in Java not implemented? It's part of the language, but it can't be used to make a variable constant. Learn more about const and why developers continue to ponder its usage ... Continue Reading
Why we use static final in Java for constants

Think of a class as a cookie cutter and an individual instance as a cookie. Use this analogy to visualize how static final creates unchangeable variables in Java. Continue Reading
HashMap vs. Hashtable: Which map should you choose?

When HashMap replaced Hashtable as part of the Java 1.2 release, it moved away from how developers previously used the collections API and Java maps. Continue Reading

Learn to apply best practices and optimize your operations.

Don't ever put a non-Java LTS release into production

Development teams should avoid non-long-term support releases at all costs. Pay attention to the Java release cycle to make sure your updates are supported. Continue Reading
Java video games, like Minecraft, keep the language popular

The next generation of Java developers can learn the ins and outs of the language through an unlikely source: video games such as Minecraft. Continue Reading
You need more than web app security to stop API attacks

API and web application vulnerabilities may share some common traits, but it's where they differ that hackers will target. Continue Reading

We’ve gathered up expert advice and tips from professionals like you so that the answers you need are always available.

3 ways to remove emojis from text files in Java

Don't let a Java emoji slow down development. Follow these three tips to get rid of pesky emojis in Java code and create clean, concise text. Continue Reading
Stop with the unsafe internal Java API calls, or the JDK will stop it for you

Soon, any code that uses Java internal APIs will not compile, and shortly after that, code that uses classes in sun.misc will not even run. Continue Reading
Bridging the gap between WebRTC, VoIP and phones

The WebRTC protocol has shown great promise for integrating telephony capabilities into modern enterprise applications. But challenges remain. Continue Reading