Java Language Tutorial => URL of a loaded class inside a...

Example

Given the following multi-release Jar:

jar root
  - demo
     - SampleClass.class
  - META-INF
     - versions
        - 9
           - demo
              - SampleClass.class

The following class prints the URL of the SampleClass:

package demo;

import java.net.URL;

public class Main {

    public static void main(String[] args) throws Exception {
        URL url = Main.class.getClassLoader().getResource("demo/SampleClass.class");
        System.out.println(url);
    }
}

If the class is compiled and added on the versioned entry for Java 9 in the MRJAR, running it would result in:

C:\Users\manouti>java --class-path MR.jar demo.Main
jar:file:/C:/Users/manouti/MR.jar!/META-INF/versions/9/demo/SampleClass.class

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Java Language Multi-Release JAR Files URL of a loaded class inside a multi-release Jar

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