git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1916034 13f79535-47bb-0310-9956-ffa450edef68pull/602/head
@@ -27,11 +27,6 @@ public class BitFieldFactory { | |||
private static Map<Integer, BitField> instances = new HashMap<>(); | |||
public static BitField getInstance(int mask) { | |||
BitField f = instances.get(Integer.valueOf(mask)); | |||
if (f == null) { | |||
f = new BitField(mask); | |||
instances.put(Integer.valueOf(mask), f); | |||
} | |||
return f; | |||
return instances.computeIfAbsent(mask, k -> new BitField(mask)); | |||
} | |||
} |