Jakarta Expression Language (EL) is a scripting language used in Jakarta EE for accessing and manipulating data stored in JavaBeans components. It allows developers to embed expressions directly into web pages or configuration files, enabling dynamic content generation and interaction with server-side objects.
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About Jakarta Expression Language
Jakarta Expression Language was created in 2001 as part of the JavaServer Pages (JSP) 2.0 specification. It was developed to simplify the integration of dynamic content into web applications by allowing developers to access and manipulate JavaBeans components directly within JSP pages. Over time, it evolved and became a standalone technology within the Jakarta EE platform, enabling its use beyond JSP in various Jakarta EE technologies.
Strengths of Jakarta Expression Language include its simplicity, ease of integration with JavaBeans, and robust support within the Jakarta EE ecosystem. Weaknesses include limited functionality compared to full-fledged programming languages and potential performance overhead in complex expressions. Competitors include Thymeleaf, FreeMarker, and Apache Velocity, which offer similar templating and expression capabilities.
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How to hire a Jakarta Expression Language expert
A Jakarta Expression Language expert must have strong knowledge of Java and Jakarta EE, proficiency in using JavaBeans, and experience with JSP. They should also be skilled in writing and debugging EL expressions, understanding EL syntax and semantics, and integrating EL with various Jakarta EE components like JSF and CDI. Familiarity with web application development and performance optimization techniques is also essential.
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