Easy
Can an abstract class have concrete members or methods?
Author: Eric HostaleryStatus: PublishedQuestion passed 1358 times
Edit
3
Community EvaluationsNo one has reviewed this question yet, be the first!
Similar QuestionsMore questions about OOP
13
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
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?7
Can we extend an abstract class in Java?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);3
Can an interface inherit from another interface?