JAR files are a great way to share and distribute our Java code with others. Class files and other metadata and resources needed for the project. JAR files contain compressed Java project files. /fileName.jar MainClass.JAR is short for Java Archive. Simple jar file that does not contain a manifest file so you simply run your main class by giving its path java -cp.
Java Jar File Run Download Button In
Step 3: Once the setup is complete, go to the location where the. Step 2: On the website download page, click on the Download button in red to download the Java setup file. Since it is crucial to make the application as easy to execute as possible (ideally with a mere double-click of the mouse.Step 1: Go to Java.com and download Java from the link. Creating JAR FilesHow to run a class from Jar which is not the Main-Class in manifest file:java -jar
Although the default manifest file contains just two entries, but complex manifest files can have way more. Default manifest file is named as MANIFEST.MF and is present in the META-INF sub-directory of archive. Each JAR file have a manifest file by default. Then : Just need to pass the complete fully classified name of the class.Java -cp myJavaJar.jar com.mycomp.myproj.dir2.MainClass2 /home/myhome/datasource.properties /home/myhome/input.txtMANIFEST.MF file: Each JAR file contains a manifest file that describe the features of the archive. But is there any way by which I can specify some argument on command line to run whichever class I wish to run?Jar cfe myJavaJar.jar com.mycomp.myproj.dir2.MainClass2 com/mycomp/myproj/dir2/MainClass2.class /home/myhome/datasource.properties /home/myhome/input.txtCom/mycomp/myproj/dir2/MainClass2.class : no such file or directory(In the above command, '/home/myhome/datasource.properties' and '/home/myhome/input.txt' are the command line arguments).Solution: The solution for this issue is described below.You can create your jar without Main-Class in its Manifest file.
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