Java/Default keyword - Revision history

Admin at 22:22, 15 August 2017

2017-08-15T22:22:03Z

← Older revision		Revision as of 22:22, 15 August 2017
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	It's a new feature in Java 8 which allows an interface to provide an implementation. Described in Java 8 JLS-13.5.6. Interface Method Declarations which reads (in part)		It's a new feature in Java 8 which allows an interface to provide an implementation. Described in Java 8 JLS-13.5.6. Interface Method Declarations which reads (in part)

	"Adding a default method, or changing a method from abstract to default, does not break compatibility with pre-existing binaries~~, but may cause an IncompatibleClassChangeError if a pre-existing binary attempts to invoke the method~~. This error occurs if the qualifying type, T, is a subtype of two interfaces, I and J, where both I and J declare a default method with the same signature and result, and neither I nor J is a subinterface of the other."		"Adding a default method, or changing a method from abstract to default, does not break compatibility with pre-existing binaries..."

	~~What's New in JDK 8 says (in part)~~

	"Default methods enable new functionality to be added to the interfaces of libraries and ensure binary compatibility with code written for older versions of those interfaces."		"Default methods enable new functionality to be added to the interfaces of libraries and ensure binary compatibility with code written for older versions of those interfaces."

Admin at 22:21, 15 August 2017

2017-08-15T22:21:00Z

← Older revision		Revision as of 22:21, 15 August 2017
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	Default keyword helps to make [[Java/Interfaces]] work a little bit more like [[Java/Abstract ~~Classes~~]].		Default keyword helps to make [[Java/Interfaces]] work a little bit more like [[Java/Abstract Class]]es.

	{{Quote\|		{{Quote\|

Admin at 22:20, 15 August 2017

2017-08-15T22:20:40Z

← Older revision		Revision as of 22:20, 15 August 2017
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	[[Category:Interfaces]]		[[Category:Interfaces]]
	[[Category:Inheritance]]		[[Category:Inheritance]]
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Admin at 19:30, 18 June 2017

2017-06-18T19:30:53Z

← Older revision		Revision as of 19:30, 18 June 2017
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	Default keyword:		Default keyword helps to make [[Java/Interfaces]] work a little bit more like [[Java/Abstract Classes]].

	{{Quote\|		{{Quote\|

Admin at 19:30, 18 June 2017

2017-06-18T19:30:27Z

← Older revision		Revision as of 19:30, 18 June 2017
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	- [https://stackoverflow.com/questions/31578427/what-is-the-purpose-of-the-default-keyword-in-java#31578471 source]		- [https://stackoverflow.com/questions/31578427/what-is-the-purpose-of-the-default-keyword-in-java#31578471 source]
	}}		}}





			[[Category:Java]]
			[[Category:Interfaces]]
			[[Category:Inheritance]]

Admin: Created page with "Default keyword: {{Quote| It's a new feature in Java 8 which allows an interface to provide an implementation. Described in Java 8 JLS-13.5.6. Interface Method Declarations w..."

2017-06-18T19:29:51Z

Created page with "Default keyword: {{Quote| It's a new feature in Java 8 which allows an interface to provide an implementation. Described in Java 8 JLS-13.5.6. Interface Method Declarations w..."

New page

Default keyword:

{{Quote|
It's a new feature in Java 8 which allows an interface to provide an implementation. Described in Java 8 JLS-13.5.6. Interface Method Declarations which reads (in part)

"Adding a default method, or changing a method from abstract to default, does not break compatibility with pre-existing binaries, but may cause an IncompatibleClassChangeError if a pre-existing binary attempts to invoke the method. This error occurs if the qualifying type, T, is a subtype of two interfaces, I and J, where both I and J declare a default method with the same signature and result, and neither I nor J is a subinterface of the other."

What's New in JDK 8 says (in part)

"Default methods enable new functionality to be added to the interfaces of libraries and ensure binary compatibility with code written for older versions of those interfaces."

- [https://stackoverflow.com/questions/31578427/what-is-the-purpose-of-the-default-keyword-in-java#31578471 source]
}}