Reading HTML table data

package com.automation.tests;

import org.openqa.selenium.By;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.WebElement;
import org.testng.annotations.AfterTest;
import org.testng.annotations.BeforeTest;
import org.testng.annotations.Test;
import utility.Helper;

public class TableDemo {
 WebDriver driver;
 
 @Test
 public void readingTableData(){
  int rows = driver.findElements(By.xpath("//tbody[@id='table1']/tr")).size();
  int columns = driver.findElements(By.xpath("//tbody[@id='table1']/tr[1]/th")).size();
  
  System.out.println("Number of Rows are: " + rows);
  System.out.println("Number of Columns are: " + columns);
  
  //Printing the Table Heading 
  for (int i = 1; i <= columns; i++) {
   WebElement data = driver.findElement(By.xpath(
     "//tbody/tr[1]" + "/th[" + i + "]"));
   System.out.print(data.getText() + "\t");
  }
  System.out.println();
  
  //Printing the Table Data
  for (int i = 2; i <= rows; i++) {
   for (int j = 1; j <= columns; j++) {
    WebElement data = driver.findElement(By.xpath(
      "//tbody/tr[" + i + "]" + "/td[" + j + "]"));
    System.out.print(data.getText() + "\t");
   }
   System.out.println();
  }
 }
 
 @AfterTest
 public void afterReadingTableData() {
  driver.close();
 }
 
 @BeforeTest
 public void beforeReadingTableData(){
  driver = Helper.launchBrowser("chrome");
  driver.get("http://anish-selenium.blogspot.in/");
 }
}