拖拽的小程序使用一个默认或者定制的标题进行修饰,详情:Requesting and Customizing Applet Decoration in Draggable Applets.
JNLP 文件做了如下方面的增强,详情请看 JNLP File Syntax:
The os attribute in the information and resources elements can now contain specific versions of Windows, such as Windows Vista or Windows 7.
Applications can use the install attribute in the shortcut element to specify their their desire to be installed. Installed applications are not removed when the Java Web Start cache is cleared, but can be explicitly removed using the Java Control Panel.
Java Web Start applications can be deployed without specifying the codebase attribute; see Deploying Without Codebase
可直接在 HTML 中嵌入 JNLP 文件:Embedding JNLP File in Applet Tag.
可在 JavaScript 代码中检查 Applet 是否已经加载完成:Handling Initialization Status With Event Handlers.
可在 Applet 从快捷方式启动或者拖出浏览器时对窗口样式和标题进行控制:Requesting and Customizing Applet Decoration in Developing Draggable Applets.
XML
包含 Java API for XML Processing (JAXP) 1.4.5, 支持 Java Architecture for XML Binding (JAXB) 2.2.3, 和 Java API for XML Web Services (JAX-WS) 2.2.4.
java.lang 包
消除了在多线程环境下的非层次话类加载时导致的潜在死锁,详情:Multithreaded Custom Class Loaders in Java SE 7.
Java 虚拟机
支持非 Java 语言: Java SE 7 引入一个新的 JVM 指令用于简化实现动态类型编程语言