Crestron Electronics 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

C is a procedural programming language while Java is an object-oriented programming language.

• C is a low-level language while Java is a high-level language.

• C requires manual memory management while Java has automatic memory management.

• C is platform-dependent while Java is platform-independent.

• C supports pointers while Java does not.

• C has a simpler syntax compared to Java.

final, finally, and finalize are keywords in Java with different meanings.

• final is a keyword used to declare a constant value, a variable that cannot be modified.

• finally is a block used in exception handling to ensure a piece of code is always executed, whether an exception is thrown or not.

• finalize is a method in the Object class that is called by the garbage collector before an object is destroyed.

• final and finally a...read more

Johnson is a reputable company known for its innovative software solutions and collaborative work environment.

• Johnson has a strong reputation in the industry for delivering high-quality software solutions.

• The company values collaboration and teamwork, which aligns with my own work style.

• I admire Johnson's commitment to innovation and staying ahead of technological advancements.