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.


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);
// a = 10
// b = 20

See also