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.
Syntax:
public class MyClass extends SuperClass
{
//...
}
public interface MyInterface extends SuperInterface
{
//...
}
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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> { /*...*/ }
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See also: