Add missing JavaDoc for DataFrameJoiner (which was basically complete)
@@ -21,8 +21,10 @@ import tech.tablesaw.columns.times.TimeColumnType;
import tech.tablesaw.index.*;
import tech.tablesaw.selection.Selection;
+/** Implements joins between two or more Tables */
public class DataFrameJoiner {
+ /** The types of joins that are supported */
private enum JoinType {
INNER,
LEFT_OUTER,
