Make some private fields final.
diff --git a/src/main/java/org/apache/commons/net/discard/DiscardUDPClient.java b/src/main/java/org/apache/commons/net/discard/DiscardUDPClient.java
index 69f15b8..1830766 100644
--- a/src/main/java/org/apache/commons/net/discard/DiscardUDPClient.java
+++ b/src/main/java/org/apache/commons/net/discard/DiscardUDPClient.java
@@ -41,7 +41,7 @@
/*** The default discard port. It is set to 9 according to RFC 863. ***/
public static final int DEFAULT_PORT = 9;
- private DatagramPacket sendPacket;
+ private final DatagramPacket sendPacket;
public DiscardUDPClient()
{
diff --git a/src/main/java/org/apache/commons/net/examples/nntp/ExtendedNNTPOps.java b/src/main/java/org/apache/commons/net/examples/nntp/ExtendedNNTPOps.java
index c97a4cf..6df2633 100644
--- a/src/main/java/org/apache/commons/net/examples/nntp/ExtendedNNTPOps.java
+++ b/src/main/java/org/apache/commons/net/examples/nntp/ExtendedNNTPOps.java
@@ -32,7 +32,7 @@
public class ExtendedNNTPOps {
- private NNTPClient client;
+ private final NNTPClient client;
public ExtendedNNTPOps() {
client = new NNTPClient();
diff --git a/src/main/java/org/apache/commons/net/smtp/RelayPath.java b/src/main/java/org/apache/commons/net/smtp/RelayPath.java
index c49c152..59011a2 100644
--- a/src/main/java/org/apache/commons/net/smtp/RelayPath.java
+++ b/src/main/java/org/apache/commons/net/smtp/RelayPath.java
@@ -31,8 +31,8 @@
public final class RelayPath
{
- private Vector<String> path;
- private String emailAddress;
+ private final Vector<String> path;
+ private final String emailAddress;
/***
* Create a relay path with the specified email address as the ultimate
diff --git a/src/main/java/org/apache/commons/net/telnet/Telnet.java b/src/main/java/org/apache/commons/net/telnet/Telnet.java
index 80ba39d..ec3cd6d 100644
--- a/src/main/java/org/apache/commons/net/telnet/Telnet.java
+++ b/src/main/java/org/apache/commons/net/telnet/Telnet.java
@@ -61,7 +61,7 @@
/* public */
static final int DEFAULT_PORT = 23;
- private int[] doResponse, willResponse, options;
+ private final int[] doResponse, willResponse, options;
/* TERMINAL-TYPE option (start)*/
/***
diff --git a/src/main/java/org/apache/commons/net/tftp/TFTPErrorPacket.java b/src/main/java/org/apache/commons/net/tftp/TFTPErrorPacket.java
index 50b879b..4c93cad 100644
--- a/src/main/java/org/apache/commons/net/tftp/TFTPErrorPacket.java
+++ b/src/main/java/org/apache/commons/net/tftp/TFTPErrorPacket.java
@@ -70,10 +70,10 @@
public static final int NO_SUCH_USER = 7;
/*** The error code of this packet. ***/
- private int error;
+ private final int error;
/*** The error message of this packet. ***/
- private String message;
+ private final String message;
/***
* Creates an error packet to be sent to a host at a given port