Ford Motor Product Development Engineer Interview Questions and Answers

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?
Ans. 
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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Indiabix standard aptitude questions

System Design LLD OOPS

Q1. What do you know about this company
Ans. 
The company is a software development firm.
• The company specializes in developing software solutions for various industries.

• It has a team of experienced software engineers and developers.

• The company has a strong focus on innovation and staying up-to-date with the latest technologies.

• It has a reputation for delivering high-quality software products on time and within budget.

• Some of the company's clients include major cor...read more
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I was on data structures on python , c++, sql and java

Q1. Sql based questions
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Q2. Java based DS and devops
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Q3. C++ data structures
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Q4. Machine learning and Data structures
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Case study of real life

Q1. The online test compromised of both Aptitude, Reasoning and Technical. Aptitude and Reasoning were moderate level. But for technical questions were bit conceptual and was not repeated ones from PYQs of GAT...read more
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Q2. Questions were majorly from M.Tech thesis and thorough knowledge of your work should be known with reasons. Theory of Failure from SOM was asked and fundamental questions of mechanical engineering was aske...read more
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Q1. Tell me about yourself, About extra co curricular activities from CV, Hobbies etc
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