Fix trivial Javadoc omissions (#9534)

Summary:
- fix spelling of `valueSizeSofLimit` and add "param" description in ReadOptions
- add 3 missing "return" in RocksDB

Pull Request resolved: https://github.com/facebook/rocksdb/pull/9534

Reviewed By: riversand963

Differential Revision: D34131186

Pulled By: mrambacher

fbshipit-source-id: 7eb7ec177906052837180b291d67fb1c838c49e1

java/src/main/java/org/rocksdb/ReadOptions.java

@@ -751,12 +751,12 @@ public class ReadOptions extends RocksObject {
    *
    * Default: {@code std::numeric_limits<uint64_t>::max()}
    *
-   * @param valueSizeSofLimit
+   * @param valueSizeSoftLimit the maximum cumulative value size of the keys
    * @return the reference to the current ReadOptions
    */
-  public ReadOptions setValueSizeSoftLimit(final long valueSizeSofLimit) {
+  public ReadOptions setValueSizeSoftLimit(final long valueSizeSoftLimit) {
     assert (isOwningHandle());
-    setValueSizeSoftLimit(nativeHandle_, valueSizeSofLimit);
+    setValueSizeSoftLimit(nativeHandle_, valueSizeSoftLimit);
     return this;
   }
 

java/src/main/java/org/rocksdb/RocksDB.java

@@ -2296,6 +2296,7 @@ public class RocksDB extends RocksObject {
    * @throws RocksDBException if error happens in underlying native library.
    * @throws IllegalArgumentException thrown if the number of passed keys and passed values
    * do not match.
+   * @return the list of values for the given list of keys
    */
   public List<ByteBufferGetStatus> multiGetByteBuffers(final ReadOptions readOptions,
       final List<ByteBuffer> keys, final List<ByteBuffer> values) throws RocksDBException {
@@ -2318,6 +2319,7 @@ public class RocksDB extends RocksObject {
    * @throws RocksDBException if error happens in underlying native library.
    * @throws IllegalArgumentException thrown if the number of passed keys, passed values and
    * passed column family handles do not match.
+   * @return the list of values for the given list of keys
    */
   public List<ByteBufferGetStatus> multiGetByteBuffers(
       final List<ColumnFamilyHandle> columnFamilyHandleList, final List<ByteBuffer> keys,
@@ -2341,6 +2343,7 @@ public class RocksDB extends RocksObject {
    * @throws RocksDBException if error happens in underlying native library.
    * @throws IllegalArgumentException thrown if the number of passed keys, passed values and
    * passed column family handles do not match.
+   * @return the list of values for the given list of keys
    */
   public List<ByteBufferGetStatus> multiGetByteBuffers(final ReadOptions readOptions,
       final List<ColumnFamilyHandle> columnFamilyHandleList, final List<ByteBuffer> keys,