How to Write Without using Sendkeys In Java Selenium Program?

How to Write Without using Sendkeys In Java Selenium Program?

package com.selenium.actions;
import java.util.concurrent.TimeUnit;
import org.openqa.selenium.By;
import org.openqa.selenium.JavascriptExecutor;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.WebElement;
import org.openqa.selenium.firefox.FirefoxDriver;
import org.openqa.selenium.internal.WrapsDriver;
public class WriteInTextboxWithoutSendkeys 
{
   public static void setAttribute(WebElement element, String attributeName,
         String value)
   {
      WrapsDriver wd = (WrapsDriver) element;
      JavascriptExecutor driver = (JavascriptExecutor)wd.getWrappedDriver();
      driver.executeScript("arguments[0].setAttribute(arguments[1],arguments[2])",
            element, attributeName, value);
   }
   public static void main(String[] args)
   {
      WebDriver driver=new FirefoxDriver();
      driver.get("https://www.facebook.com/");
      driver.manage().timeouts().implicitlyWait(10, TimeUnit.SECONDS);
      WebElement input_user=driver.findElement(By.xpath("//*[@id='email']"));
      setAttribute(input_user,"value","SoftwareTestingBlog");
   }
}