public static void saveFileFromUrlWithCommonsIO(String fileName, String fileUrl) throws MalformedURLException, IOException { FileUtils.copyURLToFile(new URL(fileUrl), new File(fileName)); } } Fromhttp://singztechmusings.wordpress.com/2011/12/20/java-how-to-save-download-a-file-available-at...
A more controllable approach is to use an explicit Java collection to implement your own "string pool". A typical way to do this is to create a map thatmaps each string to itself. In concurrent environments, a good choice isConcurrentHashMap. The essential idea is that we create a string...
Internedjava.lang.Stringobjects are also stored in the permanent generation. Thejava.lang.Stringclass maintains a pool of strings. When the intern method is invoked, the method checks the pool to see if an equivalent string is present. If so, it’s returned by the intern method; if not, ...
Another JDK-only solution to download and save an Internet file is using the InputStream class. You can use File.openStream() to open an InputStream and then convert it into a file by using Files.copy() method: try (InputStream in = URI.create("https://i.imgur.com/mtbl1cr.jpg")...
How do I write an object to a file and read it back? Java is pretty amazing with lots of API and with Java 8 we are fully enabled with lots more APIs like
Accessing a server which requires authentication to download a file Accessing C# variable/function from VBScript Accessing Dictionary object collection in a listbox accessing files from folders inside the .NET solution Accessing Java Key Store using .NET Accessing Outlook Calendar in C# Application Ac...
Here's a quick summary of the three files (see Figure 3): EasyJavaFX.javacontains the main application class. We won't do anything with this class for our example, because its primary purpose in life is to load the window definition code contained in the FXML file and then show the mai...
other by sending and receiving byte streams over a connection. To send a message from your application to another application, you need to know the IP address as well as the port number of the socket of the other application. In Java, a socket is represented by the java.net.Socket class...
When working with theJWSFileChooserDemoexample, be careful not to lose files that you need. Whenever you click the save button and select an existing file, this demo brings up the File Exists dialog box with a request to replace the file. Accepting the request overwrites the file. ...
(1) The *compiler* needs to know where the *headers* are located.(2) The *linker* needs to know where the .lib files are located, and the lib file names.These need to be specified in the Project Properties.For (1), go to: