CNH Industrial Supplier Quality Engineer Interview Questions and Answers for Freshers

Q1. Difference between IOC and DI?
Ans. 
IOC is a design pattern where control is inverted, while DI is a technique to achieve IOC by injecting dependencies into a class.
• IOC stands for Inversion of Control, where the control of flow is inverted from the traditional top-down approach.

• DI stands for Dependency Injection, a technique used to implement IOC by injecting dependencies into a class from an external source.

• IOC is a design principle, while DI is a techn...read more
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Q2. Exception handling in the spiring Boot?
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Exception handling in Spring Boot allows developers to gracefully handle errors and provide meaningful responses to users.
• Use @ControllerAdvice to handle exceptions globally

• Use @ExceptionHandler to handle specific exceptions

• Return custom error messages or responses to users
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Q3. @RequestBody annotation?
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Annotation used in Spring framework to bind the HTTP request body to a method parameter.
• Used in Spring MVC to indicate that a method parameter should be bound to the body of the web request.

• Can be used with various data types like JSON, XML, etc.

• Helps in simplifying the process of handling request data in Spring applications.
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Q4. Function and BiFunction?
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Q5. Equals and Hashcode ?
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Q6. Type casting in the Java?
Ans. 
Type casting in Java is the process of converting one data type into another.
• Type casting can be done implicitly or explicitly in Java.

• Implicit type casting is done when a smaller data type is converted to a larger data type, while explicit type casting is done when a larger data type is converted to a smaller data type.

• Example of implicit type casting: int num = 10; double result = num;

• Example of explicit type casting
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Q7. Intermediate and terminal operators in Java?
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Intermediate and terminal operators are used in Java streams to perform intermediate and terminal operations on elements.
• Intermediate operators are used to transform, filter, or manipulate elements in a stream before passing them to the next operation. Examples include map(), filter(), and sorted().

• Terminal operators are used to trigger the processing of elements in a stream and produce a result. Examples include forEa
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Q8. Functional interface in java?
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Functional interface in Java is an interface with only one abstract method. It can have multiple default or static methods.
• Functional interfaces can be annotated with @FunctionalInterface to ensure they have only one abstract method.

• Examples of functional interfaces in Java include Runnable, Callable, and ActionListener.

• Lambda expressions can be used to implement functional interfaces concisely.
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Q9. Various methods in the RestApi?
Ans. 
Various methods in RestApi include GET, POST, PUT, DELETE.
• GET - Used to retrieve data from the server. Example: GET /users

• POST - Used to send data to the server to create a new resource. Example: POST /users

• PUT - Used to update an existing resource on the server. Example: PUT /users/1

• DELETE - Used to delete a resource on the server. Example: DELETE /users/1
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Q10. Coding question find the first non repeting char in the string using java 8.
Ans. 
Using Java 8, find the first non-repeating character in a string.
• Use Java 8 streams to convert the string to a character array.

• Use Collectors.groupingBy to group characters by count.

• Filter out characters with count > 1 and find the first character with count 1.
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Q11. Find the sum of all even numbers without using inbuild methods using stream api.
Ans. 
Sum of all even numbers without using inbuild methods using stream api
• Create an array of numbers

• Use stream to filter out even numbers

• Use stream to sum up the filtered even numbers
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Normal questions was average

Q1. Very good f2f interview
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Q1. Coding ques were asked and i was given a code to write and questions from resume
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Dotnet,c#,sql,MVC,ASP.NET

Previous experience, scenario based, project architecture

Q1. When is your notice period?
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Q1. > in .Net Asked some question about Microservice, API gateway, Web API,and in frontend asked some Angular Basics question
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Q2. Find all even number from list with some limit.(like if in list there are 5 even number we have to fetch only 4 even number). > What is the Architecture currently we r following in Microservice > what is...read more
Ans. 
To find all even numbers from a list with a specified limit, iterate through the list and add even numbers until the limit is reached.
• Iterate through the list of numbers

• Check if each number is even

• Add the even numbers to a new list until the limit is reached
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Q1. Asked about Architecture question
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Q2. Asked about the Rest Principal
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Q1. Asked about my Previous Company Experience.
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Q1. Asked about the salary Exception
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Design Pattern , Question related to generic and collection

Q1. Aptitude questions and Project related questions
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Q1. SQL, .NET, Reporting and case questions on real time scenarios
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Q1. Why this company, whereabouts of the company
Ans. 
I chose this company because of its strong reputation in the software industry and its commitment to innovation.
• The company has a track record of delivering high-quality software solutions.

• It has a strong focus on innovation and staying ahead of industry trends.

• The company values its employees and provides opportunities for growth and development.

• The company has a positive work culture and fosters collaboration among t...read more
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It was mcq o tech stack and domain knowledge