Github user ravipesala commented on a diff in the pull request:
https://github.com/apache/carbondata/pull/2375#discussion_r196305555
--- Diff:
core/src/main/java/org/apache/carbondata/core/util/CarbonUtil.java ---
@@ -17,12 +17,31 @@
package org.apache.carbondata.core.util;
-import java.io.*;
+import java.io.BufferedReader;
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.Closeable;
+import java.io.DataInputStream;
+import java.io.DataOutputStream;
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.ObjectInputStream;
+import java.io.UnsupportedEncodingException;
--- End diff --
import java.io.*;
---
