[Solved] Consider the following code snippet:Set handles = driver.getWindowHandles(); System.out.println(handles.size());If the browser has 3 tabs open, what will be printed? | Selenium Java

Selenium Java - Handling Windows, Frames, and Alerts

Consider the following code snippet:

Set handles = driver.getWindowHandles();
System.out.println(handles.size());

If the browser has 3 tabs open, what will be printed?

AAn exception is thrown

B1

C0

D3

Step-by-Step Solution

Solution:

Step 1: Understand what getWindowHandles() returns
It returns a set containing all window handles for every open tab or window.
Step 2: Determine the size of the set
Since there are 3 tabs open, the set will contain 3 unique handles, so size() returns 3.
Final Answer:
3 -> Option D
Quick Check:
Number of tabs = size of handles set = 3 [OK]

Quick Trick: Size of getWindowHandles() set equals number of open tabs/windows [OK]

Common Mistakes:

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