標籤彙整: Java虚拟机

This article is a quick guide for Ubuntu Linux users installing Java 11, the current long-term support (LTS) Java version. I’ll briefly make the case for migrating your code base to Java 11, then guide you through the steps to install Oracle JDK 11 … 閱讀全文 →

In Java 101: Inheritance in Java, Part 1, you learned how to leverage inheritance for code reuse, by establishing is-a relationships between classes. Composition is a closely related programming technique that is used to establish has-a relationships i… 閱讀全文 →

Every JPA entity has a primary key, but some entities have more than one value as their primary key. In this case, you need to use a composite key. This Java tip introduces you to using composite keys in JPA and Hibernate.To read this article in full, … 閱讀全文 →

Inheritance is a common pattern in object-oriented programming, but it’s not easily replicated in a database. This Java tip shows you how to model inheritance relationships in JPA with Hibernate.To read this article in full, please click here(Insider S… 閱讀全文 →

A good data validation strategy is an important part of every application development project. Being able to consolidate and generalize validation using a proven framework can significantly improve the reliability of your software, especially over … 閱讀全文 →

A good data validation strategy is an important part of every application development project. Being able to consolidate and generalize validation using a proven framework can significantly improve the reliability of your software, especially over t… 閱讀全文 →

I used to think that a Camel was something to smoke or ride in the desert, but that was before I opened my mouth at work one day and said, “Sure I can automatically save these documents up to SharePoint.” SharePoint has been around for a long time,… 閱讀全文 →

I used to think that a Camel was something to smoke or ride in the desert, but that was before I opened my mouth at work one day and said, “Sure I can automatically save these documents up to SharePoint.” SharePoint has been around for a long time, … 閱讀全文 →

In this Java tip, learn how to use Apache Camel to develop a quick-and-easy integration layer for a service-oriented architecture. Apache Camel lets you configure Camel integration components for web service endpoints; message transformation, routi… 閱讀全文 →

Orthogonality is a concept often used to describe modular and maintainable software, but it’s more easily understood by way of a case study. In this article, Jens Dietrich demystifies orthogonality and some related design principles by demonstrating… 閱讀全文 →