Sony Customer Service Executive Interview Questions and Answers

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

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

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 }

I can handle all the warehouse by implementing efficient processes and utilizing technology.

• Developing and implementing standard operating procedures for all warehouse activities

• Utilizing technology such as warehouse management systems and automated equipment

• Regularly reviewing and optimizing inventory levels and storage layouts

• Ensuring proper training and supervision of warehouse staff

• Maintaining open communication wi...read more