1 files changed, 1 insertions, 3 deletions
diff --git a/src/main/java/com/it_jaros/jns/scan/domain/PortRange.java b/src/main/java/com/it_jaros/jns/scan/domain/PortRange.java
index 290ca8e..be78ca8 100644
--- a/src/main/java/com/it_jaros/jns/scan/domain/PortRange.java
+++ b/src/main/java/com/it_jaros/jns/scan/domain/PortRange.java
@@ -12,7 +12,7 @@ public class PortRange {
     private final BitSet specifiedPorts = new BitSet(MAX_PORT);
 
     public PortRange(String ports) {
-        if (ports == null || "".equals(ports)) {
+        if (ports == null || ports.isEmpty()) {
             specifiedPorts.set(MIN_PORT, 1024 + 1);
         } else if ("all".equalsIgnoreCase(ports)) {
             specifiedPorts.set(MIN_PORT, MAX_PORT + 1);
@@ -24,8 +24,6 @@ public class PortRange {
     /**
      * Possible values are 1,10 or 1-10 or a mix of 1,5-10
      * So we treat , stronger and handle them first and then check for -
-     *
-     * @param ports
      */
     private void parsePortRange(String ports) {
         String[] splitComma = ports.split(",");