19 interview questions for developers (2024)

13 votes1400 runs0 comment

Eric Hostaleryat Dec 3, 2021

5 votes1275 runs0 comment

Eric Hostaleryat Dec 3, 2021

5 votes416 runs0 comment

design pattern

Elieat Mar 28, 2023

4 votes1318 runs0 comment

Eric Hostaleryat Dec 3, 2021

3 votes1268 runs0 comment

Eric Hostaleryat Dec 3, 2021

3 votes1266 runs0 comment

Eric Hostaleryat Dec 3, 2021

3 votes1264 runs1 comment

Eric Hostaleryat Dec 3, 2021

2 votes1230 runs1 comment

1 vote1299 runs1 comment

Eric Hostaleryat Dec 3, 2021

1 vote1284 runs0 comment

design pattern

Eric Hostaleryat Sep 19, 2022

1 vote1271 runs0 comment

Eric Hostaleryat Dec 3, 2021

1 vote1268 runs0 comment

Eric Hostaleryat Dec 3, 2021

1 vote118 runs0 comment

polymorphism

encapsulation

Monemat Nov 3, 2023

0 vote1274 runs1 comment

Eric Hostaleryat Dec 3, 2021

0 vote1262 runs0 comment

Eric Hostaleryat Mar 13, 2023

0 vote1259 runs2 comments

Eric Hostaleryat Mar 20, 2023

0 vote298 runs0 comment

encapsulation

-1 vote1277 runs0 comment

Eric Hostaleryat Dec 3, 2021

-1 vote1155 runs0 comment

19 interview questionsfor developers (2024)

Test your developer skills before an interview with 19 corrected questions on 80+ topics. Beginner, Intermediate or Expert level.

19 interview questionsfor developers (2024)

Test your developer skills before an interview with 19 corrected questions on 80+ topics. Beginner, Intermediate or Expert level.

Is the following code valid? class Person { constructor(name, age) { this.name = name; this.age = age; } } const person = new Person('John', 20); console.log(person.name); console.log(person.age);

Can we extend an abstract class in Java?

You need to develop a class for which there should be only one instance throughout your application. Which design pattern should you use for this?

Is the following code valid? class Person { constructor(name, age) { this.name = name; this.age = age; } } const person = new Person('John', 20); console.log(person.name); console.log(person.age);

Is the following code valid? class Person { constructor(name, age) { this.name = name; this.age = age; } } const person = new Person('John', 20); console.log(person.name); console.log(person.age);

Is the following code valid? class Person { constructor(name, age) { this.name = name; this.age = age; } } const person = new Person('John', 20); console.log(person.name); console.log(person.age);

Implement the registration method on class A in a virtual way,Override the registration method on classes A1 and A2 when implementing these classes

Can an interface inherit from another interface?

What is the default value of a field in a class in Java?

Which design pattern allows to dynamically add responsibilities to an object?

What are the public methods of the class `Person`?

Is the following code valid? class Person { constructor(name, age) { this.name = name; this.age = age; } } const person = new Person('John', 20); console.log(person.name); console.log(person.age);

Inheritance, polymorphism and encapsulation

Is the following code valid? class Person { constructor(name, age) { this.name = name; this.age = age; } } const person = new Person('John', 20); console.log(person.name); console.log(person.age);

Implement the interface IEmailFormatter for the classes Person, Company, and ListOfPerson, which has a method GetEmailContent()

How to call a method from a parent class in a child class in PHP

Hiding complexity can be termed as Encapsulation

Is the following code valid? class Person { constructor(name, age) { this.name = name; this.age = age; } } const person = new Person('John', 20); console.log(person.name); console.log(person.age);

Is an interface abstract?