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Black box and white box testing are complementary for software testing.
Black box testing is suitable for checking the functions of the software from the user's point of view.
White box testing is useful for in-depth checking of the code and for correcting errors.
The combination of both techniques ensures the quality of the software.

In software engineering, various types of testing are done to ensure the quality of the software.
Among these, black box testing and white box testing are prominent.
Both these testing techniques are used for different methods and purposes. Let's understand them in detail:

Difference between Black Box Testing and White Box Testing
Feature	Black Box Testing	White Box Testing
Knowledge of Code	No need to know the code	Complete knowledge of code is required
Focus	Behavior of the software	Internal structure of the software
Performed By	QA Team	Developers
Example	Login form validation	Algorithm and code verification
Objective	To check user experience and functionality	To identify errors in code logic and structure

Black Box Testing in Software Engineering in Hindi | Black Box Testing:

Black box testing means that the person doing the testing has no information about the internal code, structure, or logic of the software.

Features:

Focus: It focuses on the functional aspects of the software.
User-like experience: It checks the software in the same way as a user would.
Input and output: Testing is done only on the basis of input and output.
Who does it: Usually this testing is done by the testing team or the QA (Quality Assurance) team.

Example: Testing a login page, where the home page opens after entering the correct username and password.

Correct validation of data after entering it in a form.

Advantages:

Limitations:

White Box Testing in Software Engineering in Hindi | White Box Testing:

White box testing means that the person doing the testing has complete information about the code, structure, and logic of the software.

Features:

Example:

Advantages:

Limitations: