Fixed Javadoc errors

java/core/src/main/java/com/google/protobuf/ByteString.java

@@ -272,7 +272,7 @@ public abstract class ByteString implements Iterable<Byte>, Serializable {
       };
 
   /**
-   * Returns a {@link Comparator<ByteString>} which compares {@link ByteString}-s lexicographically
+   * Returns a {@link Comparator} which compares {@link ByteString}-s lexicographically
    * as sequences of unsigned bytes (i.e. values between 0 and 255, inclusive).
    *
    * <p>For example, {@code (byte) -1} is considered to be greater than {@code (byte) 1} because it
@@ -640,7 +640,7 @@ public abstract class ByteString implements Iterable<Byte>, Serializable {
    * @param targetOffset offset within the target buffer
    * @param numberToCopy number of bytes to copy
    * @throws IndexOutOfBoundsException if an offset or size is negative or too large
-   * @deprecation Instead, call {@code byteString.substring(sourceOffset, sourceOffset +
+   * @deprecated Instead, call {@code byteString.substring(sourceOffset, sourceOffset +
    *     numberToCopy).copyTo(target, targetOffset)}
    */
   @Deprecated

java/core/src/main/java/com/google/protobuf/Message.java

@@ -151,10 +151,13 @@ public interface Message extends MessageLite, MessageOrBuilder {
     /**
      * Create a builder for messages of the appropriate type for the given field. The
      * builder is NOT nested in the current builder. However, messages built with the
-     * builder can then be passed to the {@link #setField()}, {@link #setRepeatedField()}, or {@link
-     * #addRepeatedField()} method of the current builder.
+     * builder can then be passed to the {@link #setField(Descriptors.FieldDescriptor, Object)},
+     * {@link #setRepeatedField(Descriptors.FieldDescriptor, int, Object)}, or
+     * {@link #addRepeatedField(Descriptors.FieldDescriptor, Object)}
+     * method of the current builder.
      *
-     * <p>To obtain a builder nested in the current builder, use {@link #getFieldBuilder()} instead.
+     * <p>To obtain a builder nested in the current builder, use
+     * {@link #getFieldBuilder(Descriptors.FieldDescriptor)} instead.
      */
     Builder newBuilderForField(Descriptors.FieldDescriptor field);
 

java/util/src/main/java/com/google/protobuf/util/Durations.java

@@ -194,7 +194,7 @@ public final class Durations {
 
   /**
    * Builds the given builder and throws an {@link IllegalArgumentException} if it is not valid. See
-   * {@link #checkValid(Duration}).
+   * {@link #checkValid(Duration)}.
    *
    * @return A valid, built {@link Duration}.
    */

java/util/src/main/java/com/google/protobuf/util/Timestamps.java

@@ -180,7 +180,7 @@ public final class Timestamps {
 
   /**
    * Builds the given builder and throws an {@link IllegalArgumentException} if it is not valid. See
-   * {@link #checkValid(Timestamp}).
+   * {@link #checkValid(Timestamp)}.
    *
    * @return A valid, built {@link Timestamp}.
    */