NTT Data Interview Questions, Process, and Tips

Java is a high-level programming language known for its portability, security, and performance.

• Java is an object-oriented language

• It is platform-independent, meaning code can run on any device with a Java Virtual Machine (JVM)

• Java is used for developing a wide range of applications, from mobile apps to enterprise systems

SQL is a programming language used for managing and manipulating databases.

• SQL stands for Structured Query Language

• It is used to communicate with databases to perform tasks such as querying data, updating data, and creating databases

• Common SQL commands include SELECT, INSERT, UPDATE, DELETE, CREATE, and DROP

• SQL is used in various database management systems such as MySQL, PostgreSQL, Oracle, and SQL Server

TestNG annotation is used in TestNG framework to provide additional information about test methods or classes.

• TestNG annotations are used to control the execution flow of test methods.

• They can be used to set the priority of test methods, define dependencies, configure test groups, etc.

• Examples of TestNG annotations include @Test, @BeforeMethod, @AfterMethod, @DataProvider, etc.

POJO stands for Plain Old Java Object, which is a Java class used to represent data. TestNG.xml is an XML file used to configure TestNG tests.

• POJO is a simple Java class that encapsulates data and provides getter and setter methods.

• TestNG.xml is used to define test suites, test cases, and test configurations for TestNG framework.

• POJO and TestNG.xml are commonly used in QA testing to define and manage test data and test

Process explanation involves detailing the steps involved in a particular process or procedure.

• Start by outlining the purpose of the process

• Break down the steps involved in chronological order

• Explain any key components or tools used

• Highlight any potential challenges or variations

• Conclude with the desired outcome or result