Test your executable JAR with the following command: Jar cmfv MainClass.txt ShowTime.jar *.class Now use the following jar command to create 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.
#JAVA FOR MAC OS X 10.4 INSTALL#
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!
#JAVA FOR MAC OS X 10.4 HOW TO#
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