Java是否具有类似于Python的“ in”或“ not in”运算符? [英]Does Java have an “in” or “not in” operator similar to Python?
Oracle的Java OS for Mac OS X是否有com.apple.eawt.CocoaComponent或类似的东西? [英]Does Oracle's Java 7 for Mac OS X have com.apple.eawt.CocoaComponent or similar?
Android 是否有与 Java 的 Desktop.getDesktop() 类似的类,用于打开文件或提示用户选择应用程序关联? [英]Does Android have a similar class to Java's Desktop.getDesktop() for opening files or prompting the user to choose an application association?
OpenJDK 是否有类似于 jstack (Oracle Java) 的工具? [英]Does OpenJDK have a tool similar to jstack (Oracle Java)?