Java Programming/Keywords/extends

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extends is a Java keyword.

Used in class and interface definition to declare the class or interface that is to be extended.

Syntact:

public class MyClass extends SuperClass
{
  ...
}

public interface MyInterface extends SuperInterface
{
  ...
}

See also:

• Java Programming/Creating Objects
• Java Programming/Keywords/class

In Java 1.5 and later, the "extends" keyword is also used to specify an upper bound on a type parameter in Generics.

class Foo<T extends Number> { ... }