<ul><li>WebAssembly (Wasm) excels in cold start performance with near-instant start compared to Java in serverless environments.</li><li>Java's mature ecosystem and strong tooling make it the preferred choice for many enterprise applications over WebAssembly.</li><li>Consider using WebAssembly for ultra-fast cold starts, lightweight workloads, and if you are using Rust, Go, or AssemblyScript.</li><li>While WebAssembly is gaining traction in specific areas, Java will remain dominant for monolithic serverless apps, enterprise integrations, and long-running functions.</li></ul>

Will WebAssembly Replace Java in Serverless Environments?

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