code: public void addRow(int rowIndex, Table sourceTable) {
          for (int i = 0; i < columnCount(); i++) {
              column(i).appendObj(sourceTable.column(i).get(rowIndex));
          }
      }
docs: Adds a single row to this table from sourceTable, copying every column in sourceTable
  
  @param rowIndex      The row in sourceTable to add to this table
  @param sourceTable   A table with the same column structure as this table