Explore our FAQ's

On this page, you'll find a wealth of information and comprehensive answers to the most frequently asked questions about Java and JavaScript.

JS

How can JavaScript assist in creating interactive and responsive user interfaces?

For a long time, JavaScript’s main function was to supplement HTML and CSS to support interactivity in the browser. As time passed, HTML and CSS began covering many of these use cases.

JS

How do you ensure the performance of JavaScript applications?

Like security, performance is a broad term and requires looking at more than just your programming language. Unfortunately, JavaScript isn’t exactly known for being the most performant language because of its single-threaded event loop design.

JS

How do you ensure the security of JavaScript applications?

Security is a broad aspect and should be considered on more levels than just the language you are using. However, since JavaScript is most often used for web-based applications, it requires some special attention.

JAVA

How do you ensure the security of Java applications?

There are many ways to ensure the security of your applications, of which the language is just one.

JS

Can JavaScript be used for building RESTful APIs and microservices?

Yes. Common JavaScript frameworks and libraries are Express for handling requests, PassportJS for authentication and authorisation, and Sequelize or Knex.js for accessing a database.

JAVA

Can Java be used for building web services and APIs?

Yes, thanks to tools and frameworks like Java Enterprise Edition (EE) and Spring(boot), developers can create modern lightweight web applications and APIs.

JAVA

Are there any industry standards or certifications related to Java?

Yes, the industry standard for Java certifications is the Oracle Certified Professional (OCP) path for developers.

JS

How does JavaScript handle data exchange and interoperability with other systems?

There are many different standards to format data during communication. The most popular standard is JSON, short for JavaScript Object Notation, which represents data as a series of human-readable key-value pairs.

JS

How does JavaScript integrate with existing backend systems and technologies?

Because JavaScript can use any communication protocol available, there are plenty of ways to integrate with backend systems.

JAVA

Can Java be integrated with existing systems and technologies in my organisation?

Yes, you can easily integrate Java applications with other systems and technologies by creating or calling endpoints using communication standards like REST, SOAP, and SFTP. You can also use queues to set up these integrations.

JS

Can JavaScript be used for building complex enterprise-level solutions?

Yes. While JavaScript was initially mostly used for increasing the interactivity on websites, it is now a full-fledged language with frameworks and libraries like Node.js and Deno that make it possible to create complex enterprise-level solutions. It is used by some of largest names in tech, including Facebook, Google, Microsoft, and many more.

JAVA

Is Java a suitable choice for enterprise-level applications?

Yes. Java is a tried-and-true platform that has existed for more than 25 years and has several long-term support versions.

JAVA

How can Java benefit my business?

Because of its popularity, Java has a solution for (almost) every business need. It can power everything from small-scale applications to complete enterprise systems. Thanks to features like multithreading and clustering, it can handle a large number of concurrent users.

JS

What are the popular JavaScript frameworks and libraries?

For frontend development, popular frameworks and libraries are Angular, Vue, React, and JSX. These allow developers to write complex and dynamic web applications and user interfaces.

JAVA

What are the popular frameworks and libraries available for Java development?

The most popular Java frameworks and libraries are Spring and Lombok.

JAVA

What is the Java Virtual Machine (JVM)?

The Java Virtual Machine (JVM) is a part of the Java Development Kit (JDK) that provides a standardised execution environment for Java applications.

JAVA

What is the Java Development Kit (JDK)?

The Java Development Kit (JDK) is a set of software tools and libraries that developers use to create Java applications. It includes everything they need to write, compile, debug, and run Java code.

JS

What are the strengths of JavaScript?

One of the main benefits of JavaScript is its versatility: you can use it for both frontend and backend development. Since it is a functional and dynamically typed programming language, developers will have to write less boilerplate code.

JAVA

What are the strengths of Java?

Java is platform-independent, so it can be used on a wide range of devices across operating systems and platforms.

JS

How is JavaScript different from Java?

Despite what their names would suggest, Java and JavaScript are two distinct languages with many differences. Java is a powerful, general-purpose, platform-independent statically typed programming language. JavaScript, on the other hand, is a dynamically typed compiling language that focuses on creating dynamic and interactive web pages.

JS

What is JavaScript?

JavaScript is a programming language that is primarily used for developing web applications. It runs in web browsers and adds interaction to websites. It can also be used for server-side development by using runtimes like Node.js and Deno.

JAVA

Why is it important to keep your Java version up to date?

Of course, keeping your Java up to date will help you take advantage of new features. Even more importantly, it will increase your level of protection against vulnerabilities.

JAVA

What is Java?

Java is an object-oriented and platform-independent programming language that is strongly typed.

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