[JVM组成](JVM%E7%BB%84%E6%88%90.md) [字节码文件的组成](%E5%AD%97%E8%8A%82%E7%A0%81%E6%96%87%E4%BB%B6%E7%9A%84%E7%BB%84%E6%88%90.md) [类的生命周期](%E7%B1%BB%E7%9A%84%E7%94%9F%E5%91%BD%E5%91%A8%E6%9C%9F.md) [JVM、JRE和JDK](JVM%E3%80%81JRE%E5%92%8CJDK.md)