Oracle JDK 7u40 发布了，包含如下改进：
Java Mission Control (JMC), an advanced monitoring and diagnostics tool inherited from JRockit is now fully supported on JDK 7. This is a commercial feature;
Part of JMC, Java Flight Recorder enables you to record events and metrics during runtime and extract them at will;
support for the Retina display with Swing/AWT and JavaFX;
new JDK binary for hardfloat Linux/ARM, for ARM-based micro servers and development boards. With this, JDK 7 now officially supports the Rasbian Linux distribution (for Raspberry Pi);
a new Deployment Rule Set feature to enable fine granular controls for execution of Applet and WebStart applications;
security feature enhancements for applets, JAXP and x.509 certificates.
完整的 bug 修复列表：http://www.oracle.com/technetwork/java/javase/2col/7u40-bugfixes-2007733.html
官方发行说明：http://www.oracle.com/technetwork/java/javase/7u40-relnotes-2004172.html
来自:开源中国社区
