Yardi Systems Software Testing Engineer Interview Questions and Answers for Freshers

Testing ensures software quality and reduces the risk of defects in production.

• Testing helps identify defects and bugs early in the development cycle.

• It ensures that the software meets the requirements and specifications.

• Testing helps improve the overall quality of the software.

• It reduces the risk of defects and failures in production.

• Testing helps build trust and confidence in the software among stakeholders.

Retesting is testing the same functionality again after fixing the defects. Regression testing is testing the unchanged functionality after making changes in the software.

• Retesting is done to ensure that the defects reported earlier have been fixed.

• Regression testing is done to ensure that the changes made in the software have not affected the existing functionality.

• Retesting is a subset of regression testing.

• Retesting...read more

SDLC stands for Software Development Life Cycle, which is a process used to design, develop, and test software.

• SDLC is a framework that outlines the steps involved in software development.

• It includes planning, designing, coding, testing, and maintenance.

• Each phase of SDLC has its own set of deliverables and objectives.

• SDLC models include Waterfall, Agile, and DevOps.

• The choice of SDLC model depends on the project requi...read more

STLC stands for Software Testing Life Cycle, which is a process followed to ensure quality in software testing.

• STLC is a sequential process that includes planning, designing, executing, and reporting.

• It involves various stages like requirement analysis, test planning, test design, test execution, and test closure.

• The main objective of STLC is to ensure that the software meets the customer's requirements and is of high ...read more

DEFECT LIFE CYCLE is the process of identifying, reporting, prioritizing, and resolving software defects.

• Defect is identified by testers during testing

• Defect is reported to development team

• Development team prioritizes and resolves the defect

• Defect is retested by testers

• If defect is fixed, it is closed, else it goes back to development team

• Defect life cycle ends when all defects are resolved

Unit testing is a type of software testing where individual units or components of a software application are tested in isolation.

• Unit testing is done by developers during the development phase

• It helps to identify defects early in the development cycle

• It ensures that each unit/component of the software application is working as expected

• It helps to improve the quality of the software application

• Examples of unit testing ...read more

Scenarios are high-level descriptions of user actions and system responses, while test cases are specific steps to verify functionality.

• Scenarios describe user interactions with the system, while test cases verify specific functionality.

• Scenarios are often used in the early stages of testing to identify potential issues, while test cases are used for more detailed testing.

• Scenarios can be used to create test cases, but...read more

I am a software developer with experience in Java and Python.

• Proficient in Java and Python programming languages

• Experience in developing web applications using Spring framework

• Familiarity with database management systems such as MySQL and MongoDB

I have achieved success in developing and implementing various software solutions.

• Developed a web application that increased user engagement by 30%

• Implemented a new feature that reduced system downtime by 50%

• Created a mobile app that received 4.5-star rating on app stores

• Led a team of developers to successfully complete a project within a tight deadline

I work on a variety of projects ranging from web development to mobile app development.

• Web development using HTML, CSS, JavaScript, and various frameworks such as React and Angular

• Mobile app development for iOS and Android using Swift, Kotlin, and React Native

• Database design and management using SQL and NoSQL databases such as MySQL and MongoDB

• API development and integration using REST and GraphQL

• Machine learning proje...read more

A hardworker puts in more effort, while a smartworker works efficiently and effectively.

• A hardworker may spend more time on a task, while a smartworker finds ways to complete it faster.

• A hardworker may rely on brute force, while a smartworker uses their skills and knowledge to solve problems.

• A hardworker may struggle with prioritization, while a smartworker knows how to focus on the most important tasks.

• A hardworker ma...read more

Zuckerberg is in news due to Facebook's handling of user data and misinformation.

• Facebook's role in the 2016 US Presidential election

• Cambridge Analytica scandal

• Testimony before US Congress

• Ongoing debate on social media regulation

I am a software developer with experience in Java and Python.

• I have a Bachelor's degree in Computer Science.

• I have worked on various projects involving web development and data analysis.

• I am proficient in Java and Python programming languages.

• I am a quick learner and enjoy working in a team environment.

My favorite project is the e-commerce website I developed for a local business.

• I enjoyed working on the front-end design and user experience.

• I implemented a secure payment gateway and order tracking system.

• The website increased the business's online sales by 50%.

• I received positive feedback from the client and their customers.

Inheritance is a mechanism in object-oriented programming where a new class is created by inheriting properties of an existing class.

• Inheritance allows code reuse and promotes code organization.

• The existing class is called the parent or superclass, and the new class is called the child or subclass.

• The child class inherits all the properties and methods of the parent class and can also add its own unique properties and ...read more

finally is a keyword used in try-catch block, finalize is a method in Object class, and final is a keyword used for declaring constants.

• finally is used to execute a block of code after try-catch block

• finalize is called by garbage collector before destroying an object

• final is used to declare a constant variable or to make a class uninheritable

Private keyword restricts access to member functions within the class while final keyword prevents overriding of functions.

• Private keyword is used to hide the implementation details of a class from the user.

• Final keyword is used to prevent the user from overriding a function in a subclass.

• Using private and final keywords together can ensure that the implementation details of a class are not modified by the user.

An interface defines a set of methods that a class must implement.

• An interface is declared using the 'interface' keyword.

• All methods in an interface are public and abstract by default.

• A class can implement multiple interfaces.

• Interfaces can also extend other interfaces.

• Example: public interface MyInterface { void myMethod(); }

Abstract class is a class with some implementation while Interface is a contract with no implementation.

• Abstract class can have constructors while Interface cannot

• Abstract class can have non-abstract methods while Interface cannot

• A class can implement multiple interfaces but can only inherit from one abstract class

• Abstract class is used when there is a need for common functionality among related classes while Interface...read more

Inheritance types in Java

• Java supports single and multiple inheritance through classes and interfaces respectively

• Single inheritance is when a class extends only one parent class

• Multiple inheritance is when a class implements multiple interfaces

• Java also supports hierarchical inheritance where multiple classes extend a single parent class

• Java does not support multiple inheritance through classes to avoid the diamond pr...read more

Order of catch blocks in a try block in Java

• Specific catch blocks should come before general catch blocks

• If general catch block comes before specific catch block, it will result in a compile-time error

• If multiple catch blocks are present, only the first matching catch block will be executed

Garbage collection is an automatic memory management process that frees up memory occupied by objects that are no longer in use.

• Garbage collection is used in programming languages like Java, C#, and Python.

• It helps prevent memory leaks and reduces the risk of crashes due to memory exhaustion.

• Garbage collection works by identifying objects that are no longer in use and freeing up the memory they occupy.

• There are differe...read more

Code for connecting a Java application to a database

• Import the JDBC driver for the specific database

• Create a connection object using the DriverManager class

• Create a statement object to execute SQL queries

• Execute the query and retrieve the results

• Close the connection and release resources

JSON stands for JavaScript Object Notation, a lightweight data interchange format.

• JSON is used to transmit data between a server and a web application, as an alternative to XML.

• It is easy to read and write for humans and easy to parse and generate for machines.

• JSON is a text format that is completely language independent but uses conventions that are familiar to programmers of the C family of languages.

• Example: {"name"...read more