TableSaw: Get structure or metadata of a table

‘table.structure’ method return the structure of a table.

App.java

package com.sample.app;

import tech.tablesaw.api.IntColumn;
import tech.tablesaw.api.StringColumn;
import tech.tablesaw.api.Table;

public class App {

 public static void main(String args[]) {
  int[] empIds = { 1, 2, 3, 4, 5, 6, 7, 8, 9 };
  String[] firstNames = { "Hari", "Ram", "Chamu", "Sowmya", "Harini", "Lahari", "Rama", "Lakshman", "Sandya" };

  Table table = Table.create().addColumns(IntColumn.create("Employee Ids", empIds))
    .addColumns(StringColumn.create("FirstName", firstNames));

  table.setName("Employee Information");

  System.out.println(table.structure());
 }
}

Output

    Structure of Employee Information     
 Index  |  Column Name   |  Column Type  |
------------------------------------------
     0  |  Employee Ids  |      INTEGER  |
     1  |     FirstName  |       STRING  |

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