Persistent Systems Lead Quality Engineer Interview Questions, Process, and Tips

Polymorphism is the ability of a single function or method to operate on different types of data.

• Polymorphism allows objects of different classes to be treated as objects of a common superclass.

• There are two types of polymorphism: compile-time (method overloading) and runtime (method overriding).

• Example: Inheritance in object-oriented programming languages like Java allows for polymorphism.

• Example: Function overloading

Program to find number of repeated characters in a string

• Iterate through each character in the string

• Use a hashmap to store the count of each character

• Increment the count if character is already present in the hashmap

• Return the count of characters with count greater than 1

I am a dedicated Quality Engineer with a strong background in ensuring product quality and compliance with industry standards.

• Experienced in conducting quality control tests and inspections

• Skilled in analyzing data and identifying areas for improvement

• Proficient in implementing quality management systems

• Strong attention to detail and problem-solving skills

• Excellent communication and teamwork abilities

pom.xml is a configuration file used in Maven projects to define project settings, dependencies, and build process.

• pom.xml stands for Project Object Model XML

• It is used in Maven projects to manage project configuration, dependencies, and build process

• It contains information such as project name, version, dependencies, plugins, and repositories

• Example: <project><groupId>com.example</groupId><artifac...read more

TestNG is a testing framework for Java that supports various types of testing like unit, functional, end-to-end, etc.

• TestNG allows for easy configuration of test cases using annotations like @Test, @BeforeMethod, @AfterMethod, etc.

• It supports parameterization of test cases using @Parameters annotation.

• TestNG provides features like grouping of test cases, dependency management, parallel execution, and reporting.

• It integ...read more

Currently working on implementing automated testing for a web application using Selenium and Cucumber framework.

• Developing test scripts using Selenium WebDriver for automated testing

• Creating feature files and step definitions using Cucumber for behavior-driven development

• Executing test cases and analyzing results to ensure quality of the web application

• Collaborating with developers to identify and resolve defects

• Partic...read more

I am currently working as a Quality Analyst, responsible for ensuring the quality of products or services meets the required standards.

• Conducting quality assurance tests on products or services

• Identifying defects or issues and working with teams to resolve them

• Creating and implementing quality control processes

• Analyzing data to identify trends and areas for improvement

SPC stands for Statistical Process Control, a method used to monitor and control processes to ensure they are stable and in control.

• SPC involves collecting and analyzing data to understand variation in a process

• It helps identify when a process is out of control and in need of adjustment

• Common tools used in SPC include control charts, histograms, and Pareto charts

MSA stands for Measurement System Analysis. It is a method used to assess the measurement system's capability to provide accurate and reliable data.

• MSA helps in identifying sources of variation in measurement systems.

• It includes studies like Gage R&R (Repeatability and Reproducibility) to evaluate measurement system precision.

• MSA ensures that the measurement system is capable of providing accurate and reliable data...read more

Quality Engineers are responsible for ensuring products meet quality standards through testing and analysis.

• Develop and implement quality control systems

• Conduct tests and inspections to identify defects

• Analyze data to improve processes and reduce errors

• Collaborate with production teams to address quality issues

• Document findings and recommend improvements

I manage my daily work management by prioritizing tasks, creating to-do lists, setting deadlines, and utilizing time management techniques.

• Prioritize tasks based on urgency and importance

• Create to-do lists to keep track of tasks

• Set deadlines to ensure timely completion

• Utilize time management techniques such as Pomodoro technique or Eisenhower matrix

• Regularly review and adjust the plan as needed