Warner Bros. Senior Software Engineer Interview Questions and Answers

Q1. What is java version
Ans. 
Java is a programming language that has different versions released over time.
• Java has different versions like Java 8, Java 11, Java 14, etc.

• Each version of Java comes with new features, improvements, and bug fixes.

• Developers should use the appropriate Java version based on their project requirements.
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Q2. Write hello world code
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Prints 'Hello, World!' to the console
• Use a programming language of your choice to write a simple program that outputs 'Hello, World!'

• For example, in Python: print('Hello, World!')

• In Java: System.out.println('Hello, World!')
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Q1. What is Date function in SQl
Ans. 
The Date function in SQL is used to retrieve the current system date.
• The Date function returns the current date in the format 'YYYY-MM-DD'.

• It does not include the time component.

• It is commonly used in SQL queries to filter or group data based on the current date.
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Q2. What are the used of outliers
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Outliers are data points that are significantly different from other data points in a dataset.
• Outliers can affect the statistical analysis of a dataset by skewing results.

• Outliers can be caused by errors in data collection or measurement.

• Outliers can be identified using statistical methods such as the Z-score or IQR.

• Outliers may need to be removed or adjusted for in order to accurately analyze the data.

• Examples of outl...read more
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Apt + coding questions, medium difficulty

Q1. Basics qs on oops and known programming language
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Q1. In-depth of oops and live coding questions
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Q1. Basics qs like y and what
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1st Round is Up to an hr in that we have to perform Coding as per the test provided & also SQL round involve in it we have to show as output as per the test is concerned to provide valid outputs.

2nd round was an aptitude test of 90 mins it was like 100 Questions we have to solve and submit that it involved Logical Reasoning, Mathematical problems, Word Problems, etc.

Q1. Tell me about your projects and what you have done in your previous company.
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Q2. On basis of Projects, the Technical questions that were asked, and also other situations given on that basis what I will do in the Logical process need to explain the steps.
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Q3. Basics Of Java OOPs Concepts Questions
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First round was online coding round, second was coding in interview infornt of panel, third was DSA+basic Database questions

Q1. Basics of sql and some coding questions
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Q2. Data structures
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Q1. Putin arrays strings
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Q1. What is closure
Ans. 
A closure is a function that has access to its own scope, the scope in which it was defined, and the global scope.
• A closure is created when a function is defined inside another function.

• The inner function has access to the variables and parameters of the outer function, even after the outer function has finished executing.

• Closures are useful for creating private variables and functions in JavaScript.

• They can also be us...read more
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Q2. What is Encapsulation
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Encapsulation is the process of hiding internal details and providing a public interface for accessing and manipulating data.
• Encapsulation bundles data and methods together into a single unit.

• It helps in achieving data abstraction and data hiding.

• By encapsulating data, we can control access to it and prevent unauthorized modifications.

• Encapsulation promotes code reusability and maintainability.

• Example: A class in objec...read more
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Q3. What is Inheritance
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Inheritance is a concept in object-oriented programming where a class inherits properties and behaviors from another class.
• Inheritance allows for code reuse and promotes the concept of hierarchy.

• The class that is being inherited from is called the superclass or base class.

• The class that inherits from the superclass is called the subclass or derived class.

• The subclass can access the public and protected members of the s...read more
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Q4. What is Abstraction
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Abstraction is the process of simplifying complex systems by focusing on essential details.
• Abstraction involves hiding unnecessary details and exposing only relevant information.

• It allows developers to create models or representations that capture the essential aspects of a system.

• Abstraction helps in managing complexity, improving code reusability, and enhancing maintainability.

• For example, in object-oriented programm...read more
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Q5. What is Polymorphism
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Polymorphism is the ability of an object to take on many forms. It allows objects of different classes to be treated as the same type.
• Polymorphism is a fundamental concept in object-oriented programming.

• It enables code reusability and flexibility.

• Polymorphism can be achieved through method overriding and method overloading.

• Example: A parent class Animal can have multiple child classes like Dog, Cat, and Bird. They can ...read more
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Q1. C#,Mvc core,SQL server,vue js,
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Q1. Salary discussion
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