Interview Questions

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Interview Questions and Answer

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

Options:

a. yes

b. no

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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.

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3. Which works similar to array annotation in angularjs ?

Options:

a. $provide

b. $scope

c. $rootscope

d. $inject

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4. Which of the following are Dependency Annotations?

Options:

a. Inline array

b. Explicit

c. Implicit

d. $inject property

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5. Which of the following assumption are implicit for the following statement statment: service donot returns any object where as factory returns. Assumptions I: service is a construtor function where as factory is normal function. II: injector invokes the default constructor when service is used where as in factory it doesn't.

Options:

a. Only assumption I is implicit

b. only assumption II is implicit.

c. Neither I nor II is implicit.

d. Either I or II is implicit.

e. Both I and II are implicit.

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