cco https://blog.hatena.ne.jp/cco/ unnamed https://cco.hatenablog.jp/ Use -XX:+Flags=<file>. You can specify *ONLY* "-XX" options. OpenJDK checks this option when vm parses the arguments as following. JDK9 jdk9/jdk9/hotspot: 18218f0736d2 src/share/vm/runtime/arguments.cpp JDK8 jdk8u/jdk8u/hotspot: 9d6eb2757167 src/share/vm/runtime/arguments.cpp 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fcco.hatenablog.jp%2Fentry%2F2015%2F02%2F18%2F160308" title="How specify JVM options by file. - unnamed" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2015-02-18 16:03:08 rich https://cco.hatenablog.jp/entry/2015/02/18/160308 1.0 100%