use isEmpty() to check for empty array

PhilippSalvisberg · PhilippSalvisberg · commit dc1ba4403083 · 2020-05-25T11:27:17.000+02:00
diff --git a/sqldev/src/main/java/org/utplsql/sqldev/model/PrefixTools.java b/sqldev/src/main/java/org/utplsql/sqldev/model/PrefixTools.java
@@ -67,7 +67,7 @@ public static String commonPrefix(final String[] arr, final int n) {
 
     public static String commonPrefix(final List<String> list) {
         try {
-            if (list.size() == 0) {
+            if (list.isEmpty()) {
                 return "";
             } else if (list.size() == 1) {
                 final int pos = list.get(0).lastIndexOf('.');
