Java/Development Class/URLClassLoader
Load a Class that is not on the classpath
<source lang="java">
import java.io.File; import java.net.URL; import java.net.URLClassLoader; public class Main {
public static void main(String[] argv) throws Exception { File file = new File("c:\\class\\"); URL url = file.toURI().toURL(); URL[] urls = new URL[] { url }; ClassLoader loader = new URLClassLoader(urls); Class cls = loader.loadClass("user.informatin.Class"); }
}
</source>
Print classpath
<source lang="java">
import java.net.URL; import java.net.URLClassLoader; public class Main {
public static void main(String[] args) { ClassLoader sysClassLoader = ClassLoader.getSystemClassLoader(); URL[] urls = ((URLClassLoader) sysClassLoader).getURLs(); for (int i = 0; i < urls.length; i++) { System.out.println(urls[i].getFile()); } }
}
</source>