SELENIUM: How to check whether element is present or not in web page

How to check whether element is present or not in web page:

There are many ways to check  the web element is present in web page or not.

Among that i m giving you two simple ways.

First Way: Using isEmpty()

If this method returns "true" means element Is not present on page and "false" means element Is present on page.

Syntax: public boolean isEmpty() ;

Example:   boolean ele_present= driver.findElements(By.id("Email")).isEmpty(); 

Second  Way: Using size()

If the method returns "false" means element Is not present on page and "true" means element Is present on page.

syntax: public boolean size()

Example:
 boolean ele_present = driver.findElements( By.id("Email") ).size() != 0;