In software engineering, selecting a programming language is a pivotal decision for any organization. The appropriate language contributes to a streamlined development workflow and yields a resilient software solution that facilitates swift and efficient debugging, documentation, enhancement, and maintenance. On the other hand, selecting an unsuitable language can set a project on a course for failure from the onset. Given the multitude of available options and the magnitude of this decision, how can programmers ensure they make the most judicious language choice?

A comprehensive and effective decision-making process begins with a thorough understanding of the current landscape, historical context, and the evolutionary trajectory of programming languages. It is also imperative to critically appreciate the benchmarks employed by computer scientists and the industry’s best practices in language selection. Programmers who invest time to enhance their expertise in these domains will mitigate the risk of selecting a language deficient in essential features or one poised for obsolescence, thereby safeguarding the resulting product’s longevity, relevance, and success.

Charles Babbage is credited with creating the first computer between 1833 and 1871. He spent nearly 40 years perfecting his invention, which ultimately could perform simple calculations. While Babbage is recognized for building the initial computer, in 1883, Ada Lovelace played a pivotal role by devising the programming language for Babbage’s invention. Today, 140 years later, more than 500 distinct programming languages facilitate human-computer interaction. The continuous adaptation and innovation of programming languages have paralleled the dynamic evolution of technology.

Contemporary programming languages, such as Swift, Kotlin and Go, exhibit more user-friendly syntax and enhanced ease of use than their predecessors, including SQL, MATLAB and C. Recent languages often integrate features that were unavailable just a few years ago. As such, programmers have the ability to select from a diverse array of languages, identifying the most suitable for their project that facilitates the efficient completion of tasks. For example, Swift is used in Mac and iOS platforms, C# is tailored for the .NET Framework and JavaScript, renowned for constructing the internet, is a testament to the varied roles these languages play in diverse technological domains.

Selecting the right programming language:

With vast options of programming languages available, one of the greatest challenges is determining which is best suited for a particular project. Comparing the various features and syntaxes of languages can be complicated. Based on recent industry trends, Table 1 details the key programming languages in popular areas/domains.

1. Web development: It's programming languages are JavaScript, Java, HTML5, Ruby, TypeScript.

2. Mobile development: It's programming are Kotlin, Swift, Objective-C, ++, C#.

3. Data Science: It's programming languages are Python, R, SQL, Scala, Julia, MATLAB.

4. Artificial intelligence and machine learning: It's programming languages are Python, R, Java, Lisp, Prolog, JavaScript.

5. Cloud computing: It's programming languages are Java, Python, JavaScript, Golang, .Net Core.

6. Cyber security: It's programming languages are Perl, C++, SQL, Ruby, Rust, Assembly.

Scientifically benchmarking programming languages:

One of the most efficient and effective ways to differentiate programming languages is through benchmarking, a process through which computer scientists analyze and compare programming languages. For instance, they may compare the performance of different programming languages directly against each other. They may also assess performance differences between different compilers or runtimes of the same language with the same source code. In addition, they may assess real server environments such as hosted cloud VMs or Docker/Podman and their effects on the performance of various programming languages.

Numerous renowned computer scientists have begun benchmarking programming languages, making it easier to tell them apart and select the best language for a particular task. The Computer Language Benchmarks Game is a popular free software project that compares how popular programming languages implement simple algorithms. Programmers can view results and better comprehend each language, its speed and optimal use cases. Additionally, several reputable websites, such as Programming Language and compiler-Benchmarks and Kostya-benchmark, provide computer scientists with side-by-side comparisons of different programming languages, taking into account various performance issues.

Ranking of programming languages in 2k24:

When selecting a programming language, some of the factors for programmers to consider include the targeted platform, production time, language elasticity, community/support, the programmer’s experience with the language, and the language’s current popularity. Popularity is an important factor because even though more than 500 programming languages are available, most of the industry relies on just 10, making those the most likely to remain in use. The most popular programming languages based on the Stack Overflow’s Developer Survey 2023.

1. Python: Python has consistently been one of the most popular programming languages due to its simplicity, versatility, and readability. It's widely used in web development, data analysis, artificial intelligence, scientific computing, and more.

2. JavaScript: JavaScript remains essential for web development, powering both front-end and back-end development with frameworks like React, Angular, and Node.js. Its versatility has also extended into mobile app development through frameworks like React Native.

3. Java: Java continues to be widely used, particularly in enterprise environments for building large-scale applications. It's the primary language for Android app development and is commonly used in server-side applications as well.

4. TypeScript: TypeScript, a superset of JavaScript, has gained popularity for adding static typing to JavaScript, making large-scale JavaScript application development more manageable. It's particularly popular in projects using Angular and React.

5. C#: C# is commonly associated with Microsoft technologies, particularly for building Windows applications, games using Unity, and enterprise software development with the .NET framework.

6. Swift: Swift is the primary programming language for developing iOS and macOS applications. Its popularity continues to grow within the Apple development ecosystem.

7. Go (Golang): Go has gained traction for its simplicity, efficiency, and built-in support for concurrency. It's often used in cloud computing, microservices, and large-scale distributed systems.

8. Kotlin: Kotlin has emerged as a popular alternative to Java for Android app development. It offers modern features, interoperability with Java, and enhanced safety.

9. Rust: Rust has been gaining attention for its focus on safety, performance, and concurrency. It's particularly well-suited for systems programming, game development, and building performance-critical applications.

10. SQL: SQL (Structured Query Language) remains fundamental for working with relational databases. Its importance is unlikely to diminish as data continues to be a critical aspect of software development.

When making the final programming language selection, it is essential to remember that no programming language will be perfect for any particular project. As such, programmers need to allow for some flexibility in the selection process. Determine what is most important, such as speed, performance or fewer lines of code, and then sacrifice other areas to ensure a solution that best fits the identified priorities.

Today’s programming world is centered around artificial intelligence (AI) and machine learning (ML). As such, languages like Python, currently a driving force behind AI, will likely grow in popularity. Moving forward, programmers can expect an increase in the popularity of JavaScript, which dominates web browsers; Java, which is prevalent in the business world; Kotlin, which is widely used in apps and C++, which is used frequently in system-level programming and game development.

As technology evolves, programming languages—both existing and yet-to-be-developed—will play a pivotal role in shaping the future of a digital landscape. Their role in incorporating new tech features, expanding ML, augmenting AI and furthering the internet-of-things (IoT) will become increasingly critical.

As new languages appear and evolve, old languages will fade away. To that end, Analytics Insight recently published a list of 10 programming languages, including currently well-used languages like Visual Basic and COBOL, which it expects to dramatically decrease in popularity and use by 2030. For this reason, it is essential for developers and decision-makers to stay up to date on the ever-evolving world of programming languages. As existing languages are retired and new ones enter the marketplace, it is imperative that professionals learn promising new languages and continually upskill. Those who commit to ongoing training and education will simplify the programming language selection process, increase their chances of running a successful project, and solidify their position in an increasingly competitive marketplace. Those who don’t risk going extinct alongside once-popular programming languages.

In conclusion, choosing the right programming language for your project in 2024 requires a strategic approach that considers project requirements, language features, industry standards, team expertise, ecosystem support, performance considerations, long-term maintenance needs, platform compatibility, and cost-effectiveness. By carefully evaluating these factors and making informed decisions, you can select a programming language that maximizes the success of your project.

In this article, we'll see how we can choose the right programming language for our projects in 2024.

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