From e13317152ddbbd09bcdcb17f703524180db39c51 Mon Sep 17 00:00:00 2001
From: Craig Cornelius <ccornelius@google.com>
Date: Wed, 28 Sep 2016 01:13:19 +0000
Subject: [PATCH] ICU-12716 Add hashCode to avoid compiler warnings

X-SVN-Rev: 39372
---
 .../src/com/ibm/icu/impl/coll/CollationIterator.java |  6 ++++++
 .../collate/src/com/ibm/icu/text/Collator.java       |  6 ++++++
 .../core/src/com/ibm/icu/util/VersionInfo.java       | 12 ++++++++++++
 3 files changed, 24 insertions(+)

diff --git a/icu4j/main/classes/collate/src/com/ibm/icu/impl/coll/CollationIterator.java b/icu4j/main/classes/collate/src/com/ibm/icu/impl/coll/CollationIterator.java
index e134b6faa4f..91051fee9a0 100644
--- a/icu4j/main/classes/collate/src/com/ibm/icu/impl/coll/CollationIterator.java
+++ b/icu4j/main/classes/collate/src/com/ibm/icu/impl/coll/CollationIterator.java
@@ -219,6 +219,12 @@ public abstract class CollationIterator {
         return true;
     }
 
+    @Override
+    public int hashCode() {
+        // Dummy return to prevent compile warnings.
+        return 0;
+    }
+
     /**
      * Resets the iterator state and sets the position to the specified offset.
      * Subclasses must implement, and must call the parent class method,
diff --git a/icu4j/main/classes/collate/src/com/ibm/icu/text/Collator.java b/icu4j/main/classes/collate/src/com/ibm/icu/text/Collator.java
index 65826807531..286e1b28ec1 100644
--- a/icu4j/main/classes/collate/src/com/ibm/icu/text/Collator.java
+++ b/icu4j/main/classes/collate/src/com/ibm/icu/text/Collator.java
@@ -321,6 +321,12 @@ public abstract class Collator implements Comparator<Object>, Freezable<Collator
         return this == obj || (obj != null && getClass() == obj.getClass());
     }
 
+    @Override
+    public int hashCode() {
+        // Dummy return to prevent compile warnings.
+        return 0;
+    }
+
     // public setters --------------------------------------------------------
 
     private void checkNotFrozen() {
diff --git a/icu4j/main/classes/core/src/com/ibm/icu/util/VersionInfo.java b/icu4j/main/classes/core/src/com/ibm/icu/util/VersionInfo.java
index 7c89f40f8e6..b844d00aed8 100644
--- a/icu4j/main/classes/core/src/com/ibm/icu/util/VersionInfo.java
+++ b/icu4j/main/classes/core/src/com/ibm/icu/util/VersionInfo.java
@@ -465,6 +465,18 @@ public final class VersionInfo implements Comparable<VersionInfo>
         return other == this;
     }
 
+    /**
+     * Returns the hash code value for this set.
+     *
+     * @return the hash code value for this set.
+     * @see java.lang.Object#hashCode()
+     * @stable ICU 2.0
+     */
+    @Override
+    public int hashCode() {
+        return m_version_;
+    }
+
     /**
      * Compares other with this VersionInfo.
      * @param other VersionInfo to be compared
-- 
2.40.0