importjavax.swing.JFileChooser;importjavax.swing.filechooser.FileNameExtensionFilter;publicclassSaveFileDialogExample{publicstaticvoidmain(String[]args){// 创建一个文件选择器JFileChooserfileChooser=newJFileChooser();// 设置文件选择器的默认目录fileChooser.setCurrentDirectory(newFile(System.getProperty("user.home")...
The Java Virtual Machine's boot and extension class loaders have been enhanced to improve the cold-start time of Java applications. Prior to Java SE 6, opening the system jar file caused the Java Virtual Machine to read a one-megabyte ZIP index file that translated into a lot of disk seek...
Some algorithms types (Ciphers) require the provider be a signed Jar file. As an Installed/Bundled Extension The provider will be considered an installed extension if it is placed in the standard extension directory. In the JDK, that would be located in: Solaris, Linux, or Mac OS X: <...
Java Web Start requires only one change to your web server, that is creating an association between the file extension, typically jnlp, and the MIME type, application/x-java-jnlp-file. The steps for doing this vary depending upon the web server you are using....
// create a file chooser to get a path for saving the KMZ file fileChooser = new FileChooser(); FileChooser.ExtensionFilter kmzFilter = new FileChooser.ExtensionFilter("KMZ files (*.kmz)", "*.kmz"); fileChooser.getExtensionFilters().add(kmzFilter); fileChooser.setTitle("Save KMZ file:");...
Extension Methods 展开表 JavaCast<TResult>(IJavaObject) Performs an Android runtime-checked type conversion. JavaCast<TResult>(IJavaObject) GetJniTypeName(IJavaPeerable) Gets the JNI name of the type of the instance self. JavaAs<TResult>(IJavaPeerable) Try to coerce self to type ...
1.7.4 File 英语不好,又没有安装汉化版的…下面是菜单栏的各项,先从 File 开始: New Tab(Ctrl + T):新建文件 New Window(Ctrl + N):生成新窗口 Open File(Ctrl + O):打开文件(可以直接将 md 文件拖入此窗口) Open Folder(Ctrl + Shift + O):打开目录(显示目录下的 md 文件、查找、显示文章中的标...
MongoDB中的集合查询(获取一组文档中某个字段的不同值列表) 运用方法:DBCollection对象方法中的 distinct() 语句: 语句结构:distinct(key,[query]) key字符串,指定获取哪个字段的不同值;query:包含标准查询选项的对象,指定了要从哪个文档中获取不同的字段值 ...
5JDK-8003399client-libs/javax.swingJFileChooser gives wrong path to selected file when saving to Libraries folder on Windows 7 6JDK-8017487client-libs/javax.swingfilechooser in Windows-Libraries folder: columns are mixed up 7JDK-8284756core-libs[11u] Remove unused isUseContainerSupport in CgroupV1...
System.out.println("saving to file " + jar.getAbsolutePath()); HttpURLConnection con = (HttpURLConnection) url.openConnection(); con.setRequestMethod("GET"); con.setConnectTimeout(CONNECT_TIMEOUT); con.setReadTimeout(READ_TIMEOUT); con.setInstanceFollowRedirects(true); final int status =...