Elements in the table

package selenium;

import java.util.List;

import org.openqa.selenium.By;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.WebElement;
import org.openqa.selenium.firefox.FirefoxDriver;;



public class test {
  
	public static void main(String[] args) {
		String text = "";
        WebDriver driver = new FirefoxDriver();

        // And now use this to visit your page
        driver.get("http://localhost");
        WebElement table = driver.findElement(By.tagName("table"));
        List<WebElement> allrows = table.findElements(By.tagName("tr"));
        System.out.println(allrows);
        for(WebElement row : allrows){
        	By.tagName("td");
        	//Well maybe first few rows don't have a "dis_customer" column
        	if(row.findElements(By.className("dis_customer")).size() > 0) {
        		WebElement data = row.findElement(By.className("dis_customer"));
            	By.tagName("div");
            	text = data.getText();
        	}
        }
        System.out.println(text);
    }
}