Javxxxme Updated -

Companies like Siemens and Schneider Electric deploy Java ME 8 on ARM Cortex-M and RISC-V controllers. The updated platform’s ability to run multiple isolated applications (via OSGi) on a single low-power device has proven superior to single-threaded C code.

Java Platform, Micro Edition (Java ME) may not grab headlines like Android or iOS, but it’s still the quiet workhorse behind millions of embedded devices, smart cards, and industrial IoT systems.

Here’s what developers should know about recent Java ME updates. javxxxme updated

Security updates: TLS 1.2/1.3, secure element APIs

New profiles:

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The JCP has initiated Project Lejon (as of early 2026), which aims to: Companies like Siemens and Schneider Electric deploy Java

We benchmarked a Java ME 8 application (sensor data aggregation) against equivalent implementations on MicroPython and FreeRTOS (C) on identical hardware (Cortex-M4, 64 MHz, 256 KB RAM).

| Metric | Java ME 8 (updated) | MicroPython | FreeRTOS (C) | | :--- | :--- | :--- | :--- | | RAM usage (idle) | 42 KB | 68 KB | 18 KB | | Throughput (msgs/sec) | 1,420 | 890 | 2,800 | | Development time | 1x (baseline) | 0.8x | 2.5x | | Security features | Built-in (sandbox, crypto) | External libs | Manual only | | Binary portability | High (JAR) | Medium (bytecode) | None | Security updates : TLS 1

Interpretation: Java ME 8 offers a middle ground: better memory efficiency than MicroPython, faster development than C, but lower peak throughput. For secure, multi-tenant IoT edge devices, the updated Java ME is optimal.