Benefits of Encapsulation

Security, flexibility, maintainability

3 min read

Benefits of Encapsulation

Encapsulation improves software quality by controlling access and reducing coupling.

  • Improved security
  • Better maintainability
  • Loose coupling
  • Validation at one place
  • Implementation flexibility

Code Examples

Validation improves data integrity

java
1
2class Product {
3    private double price;
4
5    public double getPrice() {
6        return price;
7    }
8
9    public void setPrice(double price) {
10        if (price > 0) {
11            this.price = price;
12        }
13    }
14}
15

Use Cases

  • Enterprise applications
  • Large codebases
  • API evolution

Common Mistakes to Avoid

  • Exposing fields directly
  • Skipping encapsulation for speed