A late answer, although I thought of giving an in-depth answer to this question. This method is suitable for Android Studio 1.0.0 and above. STEPS First switch your folder structure from Android to Project. Now search for the libs folder inside the app folder. Once you have pasted the .jar file inside libs folder. Right … Read more
A jar is merely a container. It is a file archive ā la tar or zip. While a jar may have interesting information contained within it’s META-INF hierarchy, it has no obligation to specify the vintage of the classes within its contents. For that, one must examine the class files therein. As as Peter Lawrey … Read more
This means that you have made some incompatible binary changes to the library without recompiling the client code. Java Language Specification §13 details all such changes, most prominently, changing non-static non-private fields/methods to be static or vice versa. Recompile the client code against the new library, and you should be good to go. UPDATE: If … Read more
You need to specify a Main-Class in the jar file manifest. Oracle’s tutorial contains a complete demonstration, but here’s another one from scratch. You need two files: Test.java: public class Test { public static void main(String[] args) { System.out.println(“Hello world”); } } manifest.mf: Manifest-version: 1.0 Main-Class: Test Note that the text file must end with … Read more
Using the JDK, jar -tf will list the files in the jar. javap will give you more details from a particular class file.
Easiest route is probably upgrading or re-installing the Java Runtime Environment (JRE). Or this: Open the Windows Explorer, from the Tools select ‘Folder Options…’ Click the File Types tab, scroll down and select JAR File type. Press the Advanced button. In the Edit File Type dialog box, select open in Actions box and click Edit… … Read more
Unix On Linux, other Unix variants, Git Bash on Windows, or Cygwin, use the jar (or unzip -v), grep, and find commands. The following lists all class files that match a given name: for i in *.jar; do jar -tvf “$i” | grep -Hsi ClassName && echo “$i”; done If you know the entire list … Read more
Try this java -jar <jar-file-name>.jar
From the Maven Doc: compile This is the default scope, used if none is specified. Compile dependencies are available in all classpaths of a project. Furthermore, those dependencies are propagated to dependent projects. provided This is much like compile, but indicates you expect the JDK or a container to provide the dependency at runtime. For … Read more
Rather than trying to address the resource as a File just ask the ClassLoader to return an InputStream for the resource instead via getResourceAsStream: try (InputStream in = getClass().getResourceAsStream(“/file.txt”); BufferedReader reader = new BufferedReader(new InputStreamReader(in))) { // Use resource } As long as the file.txt resource is available on the classpath then this approach will … Read more