The guest gets 128MB of RAM with the JVM heap capped at 64MB via -Xmx64m. JIT compilation is disabled with -Xint because there’s no point in JIT-compiling Java bytecode when you’re already running under a software CPU emulator compiled to WebAssembly. The JIT’s output would just be more x86 instructions for QEMU to emulate. It’s turtles compiling turtles.
* @param arr 待排序数组
，更多细节参见safew官方版本下载
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Фото: Nicolas Economou / Reuters