Signify Application Support Engineer Interview Questions and Answers

C is a general-purpose programming language developed by Dennis Ritchie in 1972.

• C is used for developing operating systems, embedded systems, and system software.

• It is a compiled language and has a low-level memory access.

• C is the predecessor of many modern programming languages like C++, Java, and Python.

A loop is a programming structure that repeats a set of instructions until a certain condition is met.

• Loops are used to iterate over a collection of data or to repeat a set of instructions a certain number of times.

• There are three types of loops in most programming languages: for, while, and do-while.

• Example: for (int i = 0; i < 10; i++) { // do something }

My hobbies include hiking, playing guitar, and cooking.

• Hiking: I enjoy exploring nature trails and challenging myself physically.

• Playing guitar: I love learning new songs and improving my skills.

• Cooking: I like experimenting with different recipes and creating delicious meals.

In 5 years, I see myself as a senior software developer leading a team and working on complex projects.

• Leading a team of developers

• Working on complex projects

• Continuously learning and improving my skills

• Contributing to the growth and success of the company

I want to join DELL because of their innovative technology solutions and strong reputation in the industry.

• DELL is known for their cutting-edge technology solutions which align with my passion for software development.

• I admire DELL's strong reputation in the industry and their commitment to customer satisfaction.

• I believe joining DELL will provide me with opportunities for growth and career advancement.

String is immutable because it ensures data integrity and allows for efficient memory management.

• Immutable strings prevent accidental modification of data.

• Immutable strings can be easily shared and reused, improving memory efficiency.

• Immutable strings enable efficient string interning and caching.

• Immutable strings support thread safety in concurrent environments.

Yes, @RequestParam has a default value if not specified.

• If a @RequestParam is not provided in the request, it will use its default value.

• The default value can be set using the 'defaultValue' attribute of @RequestParam annotation.

• If no default value is specified, the parameter will be considered as required and an exception will be thrown if not provided.

Abstract classes are required to provide a common interface and share code among related classes.

• Abstract classes allow for code reusability and promote modular design.

• They provide a common interface for a group of related classes.

• Abstract classes can define abstract methods that must be implemented by subclasses.

• They can also provide default implementations for common methods.

• Abstract classes cannot be instantiated, b