LANG-536 - Add isSorted() to ArrayUtils. Patch supplied by James Sawle. Closes #32 in GitHub.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/lang/trunk@1632874 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 14 insertions, 1 deletions

diff --git a/src/main/java/org/apache/commons/lang3/CharUtils.java b/src/main/java/org/apache/commons/lang3/CharUtils.java
index f8f284e65..3f19a214e 100644
--- a/src/main/java/org/apache/commons/lang3/CharUtils.java
+++ b/src/main/java/org/apache/commons/lang3/CharUtils.java
@@ -535,5 +535,18 @@ public class CharUtils {
     public static boolean isAsciiAlphanumeric(final char ch) {
         return isAsciiAlpha(ch) || isAsciiNumeric(ch);
     }
-    
+
+    /**
+     * <p>Compares two {@code char} values numerically. This is the same functionality as provided in Java 7.</p>
+     *
+     * @param x the first {@code char} to compare
+     * @param y the second {@code char} to compare
+     * @return the value {@code 0} if {@code x == y};
+     *         a value less than {@code 0} if {@code x < y}; and
+     *         a value greater than {@code 0} if {@code x > y}
+     * @since 3.4
+     */
+    public static int compare(char x, char y) {
+        return x-y;
+    }
 }