Add test Java example

DesktopEditor/doctrenderer/docbuilder.java/test/Program.java

@@ -0,0 +1,18 @@
+import docbuilder.CDocBuilder;
+
+public class Program {
+    public static void main(String[] args) {
+        test();
+
+        // Need to explicitly call System.gc() because finalizers might not automatically get called
+        // Note: Even System.gc() can not guarantee that finalizers will be actually called. Possible memory leaks!
+        System.gc();
+    }
+
+    public static void test() {
+        CDocBuilder.initialize("C:\\Users\\mixa_\\main\\core\\build\\lib\\win_64\\debug");
+        CDocBuilder builder = new CDocBuilder();
+        System.out.println(builder.getVersion());
+        CDocBuilder.dispose();
+    }
+}