Abstraction

Abstraction in computer programming is a way to reduce complexity and allow efficient design and implementation in complex software systems. It hides the technical complexity of systems behind simpler APIs.

Advantages of Data Abstraction

• Helps the user to avoid writing low-level code.
• Avoids code duplication and increases reusability.
• Can change the internal implementation of a class independently without affecting the user.
• Helps to increase the security of an application or program as only important details are provided to the user.

Example

class ImplementAbstraction {
 // method to set values of internal members
 set(x, y) {
 this.a = x;
 this.b = y;
 }
 display() {
 console.log(`a = ${this.a}`);
 console.log(`b = ${this.b}`);
 }
}
const obj = new ImplementAbstraction();
obj.set(10, 20);
obj.display();
// a = 10
// b = 20

See also

• Abstraction on Wikipedia