Add default constructor for TinyIdentitySet

1 files changed, 4 insertions, 1 deletions

diff --git a/vespajlib/src/main/java/com/yahoo/collections/TinyIdentitySet.java b/vespajlib/src/main/java/com/yahoo/collections/TinyIdentitySet.java
index 1cc68777c88..bb540f82ea4 100644
--- a/vespajlib/src/main/java/com/yahoo/collections/TinyIdentitySet.java
+++ b/vespajlib/src/main/java/com/yahoo/collections/TinyIdentitySet.java
@@ -67,9 +67,12 @@ public final class TinyIdentitySet<E> implements Set<E> {
      * @param initSize
      *            initial size of internal element array
      */
-    public TinyIdentitySet(final int initSize) {
+    public TinyIdentitySet(int initSize) {
         entries = new Object[initSize];
     }
+    public TinyIdentitySet() {
+        this(4);
+    }
 
     /**
      * Expose the index in the internal array of a given object. -1 is returned