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Check your knowledge: DEVELOPERS Tests

Check your knowledge: DEVELOPERS Tests

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Which declaration can assign the default value to an int type?

int myInt = new int();

int myInt = new int(default);

int myInt;

new int();

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What will be the output of the C#.NET code snippet

It's an endless loop: numbers 0, 1, 2, 3… to

Int32.MaxValue will be output

It's an endless loop: numbers from 0 to 10 will be

output, and then number 10 will be repeated

This code will not be compiled

Numbers from 0 to 9

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Please enter output result of the following code:

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Suppose the HouseBoat class implements the IHouse interface implicitly and the IBoat interface explicitly. Which of the following statements is false?

The code can treat a HouseBoat object as an IHouse to access its IHouse members.

The code can use a HouseBoat object to access its IHouse members.

The code can treat a HouseBoat object as an IBoat to access its IBoat members.

The code can use a HouseBoat object to access its IBoat members.

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Please choose a valid constructor which creates an instance and initializes all fields of the following class:

public User(DateTime bd, string fn, string ps)

BirthDate = bd;

private User(DateTime bd, string fn, string ps)

BirthDate = bd;

User(DateTime bd, string fn, string ps)

BirthDate = bd;

constructor User(DateTime bd, string fn, string ps)

BirthDate = bd;

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How do you enforce encapsulation on the data members of your class?

Use private properties.

Create private data members.

Use public properties.

Use the protected access modifier on methods, properties, and member variables.

Create private methods.

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What is the correct way to access the firstName property of an object Student?

string name = Student.(firstName);

string name = Student.firstName;

string name = Student(firstName);

string name = Student.firstName();

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What will be output as a result of a program?

3

1

123

2

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Which type should you use to store objects of different types but do not know how many

elements you need at the time of creation?

ArrayList

Collection

List<T>

Stack<T>

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Which of the following is the incorrect form of if instruction?

if ( Condition1 ) {// Some statement}

else if ( Condition2 ) {// Some statement}

else if ( Condition3 ) {// Some statement}

else {// Some statement}

if (Condition1) {// Some statement}

else {// Some statement}

else if ( Condition2){//Some statement}

if (Condition1)

{// Some statement}

if ( Condition1 ) {// Some statement}

else if ( Condition2 ) {// Some statement}

else {// Some statement}

if (Condition1) {// Some statement}

else {// Some statement}

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