selenium lfor loops
List <WebElement> listofItems = wd.findElements(By.xpath("//*[starts-with(@id,'result_')]//div//div[1]//div//a//img"));
WebDriverWait wait = new WebDriverWait(wd, 20); //Wait time of 20 seconds
for (int i=1; i<=listofItems.size(); i++)
{
/*Getting the list of items again so that when the page is
navigated back to, then the list of items will be refreshed
again */
listofItems = wd.findElements(By.xpath("//*[starts-with(@id,'result_')]//div//div[1]//div//a//img"));
//Waiting for the element to be visible
//Used (i-1) because the list's item start with 0th index, like in an array
wait.until(ExpectedConditions.visibilityOf(listofItems.get(i-1)));
//Clicking on the first element
listofItems.get(i-1).click();
wd.manage().timeouts().implicitlyWait(30, TimeUnit.SECONDS);
System.out.print(i + " element clicked\t--");
System.out.println("pass");
wd.navigate().back();
}