--- /BinaryCodec.java	2023-07-05 03:13:21.910025483 +0200
+++ /Codec-1/src/java/org/apache/commons/codec/binary/BinaryCodec.java	2023-07-05 03:13:21.914025482 +0200
@@ -56,7 +56,7 @@
     private static final int BIT_3 = 0x08;
 
     /** Mask for bit 4 of a byte. */
-    private static final int BIT_4 = 0x10;
+private static final  short  BIT_4 = 0x10;
 
     /** Mask for bit 5 of a byte. */
     private static final int BIT_5 = 0x20;
