ICU-20806 Removing 'implements Cloneable' from Precision.java
diff --git a/icu4j/main/classes/core/src/com/ibm/icu/number/Precision.java b/icu4j/main/classes/core/src/com/ibm/icu/number/Precision.java
index bfc0afe..aab4398 100644
--- a/icu4j/main/classes/core/src/com/ibm/icu/number/Precision.java
+++ b/icu4j/main/classes/core/src/com/ibm/icu/number/Precision.java
@@ -21,7 +21,7 @@
  * @stable ICU 62
  * @see NumberFormatter
  */
-public abstract class Precision implements Cloneable {
+public abstract class Precision {
 
     /* package-private final */ MathContext mathContext;