update TestAddUrl

kimmking · kimmking · commit bf86c460d366 · 2021-01-22T00:36:33.000+08:00
diff --git a/01jvm/TestAddUrl.java b/01jvm/TestAddUrl.java
@@ -0,0 +1,26 @@
+package io.kimmking.kmq;
+
+import lombok.SneakyThrows;
+
+import java.io.File;
+import java.lang.reflect.Method;
+import java.net.URL;
+import java.net.URLClassLoader;
+
+public class TestAddUrl {
+
+    @SneakyThrows
+    public static void main(String[] args) {
+        URLClassLoader classLoader = (URLClassLoader) TestAddUrl.class.getClassLoader();
+        String dir = "/Users/kimmking/Downloads/Hello";
+        Method method = URLClassLoader.class.getDeclaredMethod("addURL", URL.class);
+        method.setAccessible(true);
+        method.invoke(classLoader, new File(dir).toURL());
+
+        Class klass = Class.forName("Hello",true, classLoader);
+        Object obj = klass.newInstance();
+        Method hello = klass.getDeclaredMethod("hello");
+        hello.invoke(obj);
+    }
+
+}
