Integration Testing in software testing

 Integration Testing:- Integration testing is the second-level software testing process. this testing performs after unit testing. in this testing Software components and modules are tested in the group.

Why Do integration testing?

Integration testing insure that the software how will perform when all modules are combined.

Integration Testing Example:-  I have a fund transfer page. First, we will log in software by A user to transfer amount after transfer amount to B user and show the message on the screen that amounts successfully transfer

Let us understand Integration Testing with example. Let us assume that you work for an IT Company which has been asked to develop an online Hotel booking website for a other Company .

After All requirements gathering, analysis and design were completed, Then a developer was assigned to develop each of the modules below.

User registration and Authentication/Login Product Catalogue Shopping Cart Billing Payment gateway integration Shipping and Package Tracking

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Java Interview Questions and Answers for SDET.

 Question 1: -Explain public static void main(String[] arg)

public: - public is an access modifier, which means that this method is accessible by any class.

Static: - static keyword tells that this method can be accessed without creating an instance of the class.

Void: - this main method returns no value.

Main: - it is the name of java's main method.

String arg[]: - The arg is an array of string types. This contains the command line argument that we can pass while running the program.

Question 2:-What is an object and class?

Object: - An object is an instance of a class.

Class: - A class is a template or blueprint from which objects are created.

Question 3: - What is static in java?

The static keyword is a non-access modifier used for methods, class variables, and attributes.

The static keyword in java is used for memory management mainly.

Question 4: - What do you mean by the constructor?

 Constructor:-  Constructor is a special type of method whose name is the same as a class name. Constructor is called when an instance of the class is created

Questions 6:-  Why create a constructor. The main purpose of Constructor?

The purpose of a constructor is to perform initialize the object of a class.

Question 7:- What is different between final finalize and finally?

Final:-  Final is used to apply restrictions on class, method, and variable. a final method can not be overridden and the final class can not be inherited. and also final variable's value can not be changed.

Question 8: - What is array and ArrayList?

Question 9: - What is the platform?

Ans:-  Platform is a software and hardware programs that runs any machine.

Question 10:- What is abstract class?

Question 11:- What are the differences between C++ and Java?

Questions 12: - Why java is platform independent ?

Questions 13: - Which class is a superclass of all classes?

Questions 14:-  What is a JIT compiler ?

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Functional and Non-Functional Testing

 

What is Functional Testing?

Function testing is a software testing process which that ensures that each function of the software application behaves exactly with requirement specification.

Type of Function Testing:-

1:-Unit testing

2:-Integration testing

3:-System testing

4:-Release testing

5:-Acceptance testing 

What is Non-Functional Testing?

Non-functional testing is a software testing process to check non-functional like Performace, usability, reliability, Load stress, Security, configuration, capability, etc.) 

Non-functional type:-

Load Testing:-

Volume Testing

Installation testing;

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Bug Life Cycle / Defect Life Cycle In Software Testing

 Bug:- When actual results deviate from the expected result while testing a software application or product.

Bug Life Cycle:- In the software development process, bug have a life cycle. The bug should go through the life cycle to be closed.

New:- When the tester finds a bug and posting the first time then the status of the bug is new.

Assign:- once bug assigned to development team then status of the defect is assign.

Open:- When the development team starts the analysis and works on the defect fix then the status is open.

Fixed:- When developer make necessary code change the verified, then status will be changed as fixed.

Test:- If the defect is fixed and ready to test then the status tests.

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What is Software quality ?

 Quality:- Quality is defined as the justification of all requirements of a customer in a product.

• Quality is not defined in the product. It is defined the customer's mind.
• Quality software refers to software that is reasonably bug or defect-free.
• It is delivered in time and within the specified budget.

Quality Software is reasonably 

1. Bug-free.
2. Delivered on time.
3. Within budget.
4. Meet requirement and expectations
5. Maintainable.

software product several quality methods such as the following:

1:-Portability

2:-Usability

3:-Reusability

4:Correctness

Quality System Activities: 

Auditing of projects

Review of the quality system

Development of standards, methods, and guidelines, etc.

Production of documents for the top management summarizing the effectiveness of the quality system in the organization.

Evolution of Quality Management System

The quality system has developed rapidly over the last five decades. Prior to World War II, the common task to produce quality products was to inspect finished products to remove faulty equipment. Since that time, the quality of organizations has gone through four stages of system development, as shown in fig. The first product inspection work gave a method to quality control (QC).

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