Easy
Among the following propositions, which are the basic principles of OOP ?
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4
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);5
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);8
Can we extend an abstract class in Java?9
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?4
Can an interface inherit from another interface?4
Which design pattern allows to dynamically add responsibilities to an object?14
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);