Fix format.

java/src/main/java/org/rocksdb/InBuiltMergeOperator.java

@@ -15,7 +15,6 @@ public abstract class InBuiltMergeOperator extends RocksObject implements MergeO
   protected InBuiltMergeOperator(final long nativeHandle) {
     super(nativeHandle);
   }
-
 }
 
 //

java/src/main/java/org/rocksdb/MergeOperatorV2.java

@@ -15,12 +15,15 @@ public MergeOperatorV2(final String operatorName) {
 
   /**
    * This is the callback method which supplies the values to be merged for the provided key.
-   * The parameters are only valid until the method returns, and must be deep copied if you wish to retain them.
+   * The parameters are only valid until the method returns, and must be deep copied if you wish to
+   * retain them.
    *
    * @param key The key associated with the merge operation.
-   * @param existingValue The existing value of the current key, null means that the value doesn't exist.
+   * @param existingValue The existing value of the current key, null means that the value doesn't
+   *     exist.
    * @param operand A list of operands to apply
-   * @return The method should return the result of merging the supplied values with the implemented merge algorithm.
+   * @return The method should return the result of merging the supplied values with the implemented
+   *     merge algorithm.
    */
   public abstract MergeOperatorOutput fullMergeV2(
       final ByteBuffer key, final ByteBuffer existingValue, final List<ByteBuffer> operand);

java/src/main/java/org/rocksdb/UInt64AddOperator.java

@@ -10,14 +10,14 @@
  * integer value.
  */
 public class UInt64AddOperator extends InBuiltMergeOperator {
-    public UInt64AddOperator() {
-        super(newSharedUInt64AddOperator());
-    }
+  public UInt64AddOperator() {
+    super(newSharedUInt64AddOperator());
+  }
 
-    private static native long newSharedUInt64AddOperator();
-    @Override
-    protected final void disposeInternal(final long handle) {
-      disposeInternalJni(handle);
-    }
-    private static native void disposeInternalJni(final long handle);
+  private static native long newSharedUInt64AddOperator();
+  @Override
+  protected final void disposeInternal(final long handle) {
+    disposeInternalJni(handle);
+  }
+  private static native void disposeInternalJni(final long handle);
 }