Inheritance in Java

Inheritance in Java — a practical guide to Java inheritance with clear examples you can reuse in real projects.

Java Tutorial Series (38/90). Prefer one article? Read the complete Java tutorial.

Short description

Java supports single class inheritance. Use interfaces for multiple contracts.

extends

class Animal {
    String speak() { return "..."; }
}
class Dog extends Animal {
    @Override
    String speak() { return "Woof"; }
}