greatly simplify

Author: scivision

+stdlib/java_api.m

@@ -1,21 +1,15 @@
 %% JAVA_API Java API version
 
-function api = java_api()
+function a = java_api()
 
-api = [];
-
-v = stdlib.java_version();
-if strempty(v), return, end
-
-% major version is first number before "."
-
-a = strsplit(v, '.');
-if(isempty(a)), return, end
+try
+  a = javaMethod("getProperty", "java.lang.System", "java.specification.version");
+catch
+  a = '';
+end
 
-if a{1} == "1"
-  api = str2double(a{2});
-else
-  api = str2double(a{1});
+try  %#ok<*TRYNC>
+  a = string(a);
 end
 
 end