ram_total proper fallback

Author: scivision

+stdlib/ram_total.m

@@ -10,12 +10,12 @@
 function bytes = ram_total()
 
 % .NET is about 10 times SLOWER than Java
-% if ispc() && ~stdlib.isoctave()
-%   h = NET.addAssembly('Microsoft.VisualBasic');
-%   ci = Microsoft.VisualBasic.Devices.ComputerInfo();
-%   bytes = ci.TotalPhysicalMemory;
-%   delete(h);
-% else
+if ispc() && ~stdlib.has_java()
+  h = NET.addAssembly('Microsoft.VisualBasic');
+  ci = Microsoft.VisualBasic.Devices.ComputerInfo();
+  bytes = ci.TotalPhysicalMemory;
+  delete(h);
+else
   b = javaOSBean();
 
   if stdlib.java_api() < 14
@@ -24,7 +24,7 @@
     bytes = b.getTotalMemorySize();
   end
   bytes = uint64(bytes);
-% end
+end
 
 % https://docs.oracle.com/en/java/javase/21/docs/api/jdk.management/com/sun/management/OperatingSystemMXBean.html#getTotalMemorySize()