Kotlin's runtime performance is generally comparable to Java when you compare the two. Since it runs on the JVM, it gets compiled down to bytecode and benefits from JVM optimizations. However, the compilation time can sometimes be a bit slower than Java. So, in your opinion, how does this difference impact stability?
How does Kotlin's performance compare to Java's?
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I've worked with both Kotlin and Java in large-scale apps where performance was critical. If you compare Kotlin to, say, Swift (which compiles to native code), you'll see a bigger difference—Swift often has a slight edge in raw execution speed because it doesn't rely on JVM optimizations. But in real-world JVM apps, the gap narrows so much that the difference is usually within the noise, especially after JIT kicks in. The compile-time slowdown in Kotlin is mostly noticeable in CI/CD pipelines, but once the binary runs, stability-wise, I haven’t seen a meaningful dip—Kotlin’s null safety and immutability features actually help reduce crashes rather than add overhead.