![]() ![]() The resulting manifest file contains a single line: Create the file:Įcho "Main-Class: ShowTime" > MainClass.txt Which class contains the "main" function. Instead we will create a more convenient executable JAR file.īefore we make an executable JAR file, we need a manifest file to indicate It is possible to run the class file directly, but that results in a poor user Simple window for displaying the current time:į.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE) į.getContentPane().add(new JLabel(new Date().toString())) īack at the Unix prompt, compile the Java program into a class file: Get the sample Java code and take a look at the Swing commands that create a The first command creates a folder called "showtime", and the second command If your Mac has a prior version of Java already installed, consulte theįor instructions on creating a symlink to point macOS to the new openjdk Verify you are running openjdk 17.0.0 or later. Is a widely used open-source software package management system for Apple macOS that makesĮnter the following commands to install Homebrew and Java (openjdk): Now open Terminal and you'll be at the Unix prompt. Using Finder, go into "Applications" and then open (For the truly impatient, you can even run through the whole This step-by-step tutorial is appropriate for beginner level developers. Once you have successfully completed the tutorial with the sample Java program, modify The instructions below step you through the process from scratch withĪ sample program called "Show Time", which simply displays the current time. It's easy to turn your Java Swing program (.jar) into a proper macOS application with a This information is for an older version of macOS.įor more current information, visit: Mac Java! Tutorial: How to create a macOS installer for a Java application (.jar) How to create a macOS installer for a Java application (.jar) (Updated for macOS 13 Ventura)." )).supportsFileAttributeView(UserDefinedFileAttributeView.class) should return *false*.įiles.getFileAttributeView(Paths.get( " / " ), UserDefinedFileAttributeView.class) return *null*. " )).supportsFileAttributeView(UserDefinedFileAttributeView.class) should return true.įiles.getFileAttributeView(Paths.get( " / " ), UserDefinedFileAttributeView.class) return a valid, non-null UserDefinedFileAttributeView instance.įiles.getFileStore(Paths.get( ". They can't utilitize extended attribute that is an important file system feature.įiles.getFileStore(Paths.get( ". There are also a lot of Java application for Mac. Mac is a popular development platform for programs finally deployed to Linux/Windows/Solaris. There is no reason for the missing extended attributes support on Mac, given that Mac is one of the most popular OS. Journal: Journal size 24576 KB at offset 0x11502000 Name (User Visible): Mac OS Extended (Journaled) Java HotSpot(TM) 64-Bit Server VM (build 23.5-b02, mixed mode)Ģ: Apple_HFS Macintosh HD 210.0 GB disk0s2ģ: Apple_Boot Recovery HD 650.0 MB disk0s3Ĥ: Microsoft Basic Data Win7 40.1 GB disk0s4Įscaped with Unicode: Macintosh%FF%FE%20%00HD ![]() Java(TM) SE Runtime Environment (build 1.7.0_09-b05) In my test environment, extended attribute support is proved with the following scripts:ĭarwin MY_HOST_NAME 12.2.0 Darwin Kernel Version 12.2.0: Sat Aug 25 00:48: root:xnu-2050.18.24~1/RELEASE_X86_64 x86_64 Thus Files.getFileAttributeView(VALID_PATH, UserDefinedFileAttributeView.class) always return null. Java 1.7.0_09 doesn't support UserDefinedFileAttributeView.class on Mac OS 10.8.2. ![]()
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