Ada
Ada is a statically typed, high-level programming language designed for safety-critical and real-time systems, originally developed for the U.S. Department of Defense. It emphasizes reliability, maintainability, and efficiency, with strong support for concurrent programming and formal verification. The language is widely used in aerospace, defense, transportation, and medical devices where failure can have severe consequences.
Developers should learn Ada when working on safety-critical applications such as avionics, railway systems, or medical software, where robustness and predictability are paramount. It is also valuable for projects requiring formal methods, real-time processing, or adherence to standards like DO-178C for airborne systems, as its design minimizes runtime errors and supports rigorous verification.