Samsung Research Electrical & Instrumentation Engineer Interview Questions and Answers for Experienced

Yesterday was a productive day filled with meetings and project work.

• Attended a team meeting in the morning

• Worked on a project proposal in the afternoon

• Had a networking event in the evening

The letters on a keyboard are placed in a specific layout called QWERTY, which was designed to prevent typewriter jams.

• The QWERTY layout was developed by Christopher Sholes in 1873 for typewriters.

• The layout was designed to separate commonly used letters to reduce the likelihood of jamming.

• The arrangement of letters was based on the frequency of their use in the English language.

• The QWERTY layout became popular and was

An air conditioner is a device that cools and dehumidifies the air in a room or building.

• Air conditioners work by removing heat and moisture from the air.

• They use a refrigeration cycle to cool the air.

• Air conditioners can be used for both residential and commercial purposes.

• They come in different types such as window units, split systems, and central air conditioning systems.

• Air conditioners improve indoor air quality ...read more

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