Interview Questions

1. Is Dependency Injection is a software pattern which is also called as Inversion of Control ?

Options:

a. Yes

b. No

Reveal Answer

2. Which of the following are true about Dependency Injection?

Options:

a. DI is used for decoupling objects.

b. DI supports dependency inversion principle.

c. Application is easily testable using DI.

d. Dependencies should be in injected in a particular order.

Reveal Answer

3. Why we use DI Pattern?

Options:

a. To improve response speed

b. To make tightly coupled access to loosely coupled

c. To move data from one module to another module

d. All the above

Reveal Answer

4. class Car { constructor() { this.engine = new Engine(); this.tires = new Tires(); this.milesDriven = 0; } drive(miles) { this.milesDriven = this.milesDriven + miles; } } What are the drawbacks of above approach?

Options:

a. Hard to test,Inflexible

b. Debugging problems

c. Over time loading

d. Hard to maintain

Reveal Answer

5. Using _____________ we going to achive angular's Dependency Injection.

Options:

a. Tokens

b. Providers

c. Injectors

d. Components

Reveal Answer

6. How many Tokens are avaliable in angular framework?

Options:

a. 4

b. 3

c. 1

d. 2

Reveal Answer

Interview Questions and Answer

1. Is Dependency Injection is a software pattern which is also called as Inversion of Control ?

2. Which of the following are true about Dependency Injection?

3. Why we use DI Pattern?

4. class Car { constructor() { this.engine = new Engine(); this.tires = new Tires(); this.milesDriven = 0; } drive(miles) { this.milesDriven = this.milesDriven + miles; } } What are the drawbacks of above approach?

5. Using _____________ we going to achive angular's Dependency Injection.

6. How many Tokens are avaliable in angular framework?

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