Use an import instead of a FQCN

Author: garydgregory

src/main/java/org/apache/commons/net/ntp/NtpV3Impl.java

@@ -18,6 +18,7 @@
 package org.apache.commons.net.ntp;
 
 import java.net.DatagramPacket;
+import java.util.Arrays;
 
 /**
  * Implements {@link NtpV3Packet} to convert Java objects to and from the Network Time Protocol (NTP) data message header format described in RFC-1305.
@@ -94,7 +95,7 @@ public boolean equals(final Object obj) {
             return false;
         }
         final NtpV3Impl other = (NtpV3Impl) obj;
-        return java.util.Arrays.equals(buf, other.buf);
+        return Arrays.equals(buf, other.buf);
     }
 
     /**
@@ -365,7 +366,7 @@ public int getVersion() {
      */
     @Override
     public int hashCode() {
-        return java.util.Arrays.hashCode(buf);
+        return Arrays.hashCode(buf);
     }
 
     private String idAsHex() {

src/test/java/org/apache/commons/net/ntp/TimeStampTest.java

@@ -18,6 +18,7 @@
 
 import java.util.Calendar;
 import java.util.Date;
+import java.util.TimeZone;
 
 import junit.framework.TestCase;
 
@@ -64,7 +65,7 @@ public void testCompare() {
     public void testDateConversion() {
         // convert current date to NtpTimeStamp then compare Java date
         // computed from NTP timestamp with original Java date.
-        final Calendar refCal = Calendar.getInstance(java.util.TimeZone.getTimeZone("UTC"));
+        final Calendar refCal = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
         final Date refDate = refCal.getTime();
         final TimeStamp ts = new TimeStamp(refDate);
         assertEquals("refDate.getTime()", refDate.getTime(), ts.getTime());