NeoSOFT Software Developer Interview Questions and Answers for Experienced

Dependency Injection is a design pattern where components are given their dependencies rather than creating them internally.

• Allows for easier testing by mocking dependencies

• Promotes loose coupling between components

• Improves code reusability and maintainability

• Example: Constructor injection, Setter injection

OOPS stands for Object-Oriented Programming System. It is a programming paradigm based on the concept of objects.

• OOPS focuses on creating objects that contain data and methods to manipulate that data.

• It allows for encapsulation, inheritance, and polymorphism.

• Examples of OOPS languages include Java, C++, and Python.

Normalization in SQL is the process of organizing data in a database to reduce redundancy and improve data integrity.

• Normalization involves breaking down a table into smaller tables and defining relationships between them.

• It helps in reducing data redundancy by storing data in a structured manner.

• There are different normal forms like 1NF, 2NF, 3NF, and BCNF that define the level of normalization.

• Example: If we hav...read more

Life cycle hooks in Angular are functions that allow you to tap into the lifecycle of a component or directive.

• Life cycle hooks are methods that are called at specific points in the life cycle of a component or directive.

• They allow you to perform actions at key points, such as when the component is created, rendered, or destroyed.

• Examples of life cycle hooks include ngOnInit, ngOnChanges, ngOnDestroy, etc.

Angular follows a lifecycle that includes initialization, change detection, and destruction phases.

• Angular components go through several lifecycle hooks such as ngOnInit, ngOnChanges, and ngOnDestroy.

• During initialization, ngOnInit hook is called after the component has been initialized.

• Change detection phase is triggered when Angular detects changes in the component's input properties or events.

• Destruction phase ...read more