Potential fix for pull request finding 'CodeQL / Inefficient empty string test'

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Author: jimklimov

jNutList/src/main/java/org/networkupstools/jnutlist/AppList.java

@@ -55,7 +55,7 @@ public static void main( String[] args )
 
         SSLConfig sslConfig = null;
 
-        if (!jks_path.equals("") && !jks_pass.equals("")) {
+        if (!jks_path.isEmpty() && !jks_pass.isEmpty()) {
             sslConfig = new SSLConfig_JKS(
                 forceSSL > 0,
                 certVerify > 0,