Drag and Drop action with Webdriver

driver.manage().timeouts().implicitlyWait(60, TimeUnit.SECONDS); 
  WebElement fromElement=driver.findElement(By.id("todrag")); 
  WebElement toElement=driver.findElement(By.id("todrop")); 
     
  Actions builder = new Actions(driver);

1.
builder.dragAndDrop(fromElement, toElement).build().perform();

2.
builder.clickAndHold(fromElement).build().perform();
builder.moveToElement(toElement).build().perform();
builder.release(toElement).build().perform();

3.
builder.dragAndDropBy(fromElement, xoffset, yoffset).perform();
Example: builder.dragAndDropBy(fromElement, -20).perform();

4.
  Action dragAndDrop = builder.clickAndHold(fromElement) 
    .moveToElement(dropElement) 
    .release(toElement) 
    .build();
    dragAndDrop.perform();