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Java Academy · Lesson

Trade-offs of Native Image

Startup vs peak throughput.

Trade-offs of Native Image

Native image is powerful but not free. It trades the JVM's runtime adaptability for fast startup and low memory. Understanding the trade-offs helps you decide when going native is the right call.

Win: Startup Time

The headline benefit. A native binary skips class loading, bytecode verification, and JIT warmup. It can start in a few milliseconds versus hundreds for a JVM launch — transformative for CLIs and serverless functions.

All lessons in this course

  1. What Is GraalVM
  2. Building a Native Image
  3. Reflection and Configuration
  4. Trade-offs of Native Image
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