Hydrodyne Industries Interview Questions and Answers

Use string manipulation functions to search for a specific string within a given sentence.

• Use the indexOf() method to find the position of the substring within the sentence.

• If the substring is not found, indexOf() will return -1.

• Consider using regular expressions for more complex search patterns.

Interface definition and uses in script

• An interface in programming defines a contract for classes to implement

• Interfaces can be used to achieve polymorphism and decoupling in code

• Interfaces are commonly used in scripting languages like JavaScript for defining object behavior

Agile is a project management methodology that emphasizes flexibility and collaboration. BRD stands for Business Requirements Document.

• Agile is a project management approach that focuses on iterative development, collaboration, and flexibility.

• BRD is a document that outlines the business requirements for a project, including functional and non-functional requirements.

• Agile methodologies include Scrum, Kanban, and Extreme Programming.

• BRD typically includes sections such as pro...read more

Issue refers to a current problem or obstacle, while risk is a potential future problem or obstacle.

• Issue is a current problem or obstacle that is affecting the project or business operations.

• Risk is a potential future problem or obstacle that may arise and impact the project or business.

• Issues need to be addressed immediately to prevent further negative impact, while risks need to be identified and mitigated to prevent them from occurring.

• Examples: An issue could be a softwa...read more

String is immutable while StringBuilder is mutable. StringBuilder is more efficient for concatenating multiple strings.

• String is immutable, meaning once created it cannot be changed. Any operation that appears to modify a string actually creates a new string object.

• StringBuilder is mutable, allowing for modifications to the existing object without creating a new one. This makes it more efficient for concatenating multiple strings.

• String concatenation using '+' operator create...read more