René's URL Explorer Experiment


Title: Functional Interfaces in Java - HowToDoInJava

Open Graph Title: Functional Interfaces in Java - HowToDoInJava

Description: Functional interfaces permit exactly one abstract method (SAM Interfaces) and are implemented by lambda expressions in Java.

Open Graph Description: Functional interfaces are new additions in java 8 which permit exactly one abstract method inside them. These interfaces are also called Single Abstract Method interfaces (SAM Interfaces).

Opengraph URL: https://howtodoinjava.com/java/stream/functional-interface-tutorial/

X: @HowToDoInJava

direct link

Domain: howtodoinjava.com


Hey, it has json ld scripts:
{"@context":"https://schema.org","@graph":[{"@type":["Article","BlogPosting"],"@id":"https://howtodoinjava.com/java/stream/functional-interface-tutorial/#article","isPartOf":{"@id":"https://howtodoinjava.com/java/stream/functional-interface-tutorial/"},"author":{"name":"Lokesh Gupta","@id":"https://howtodoinjava.com/#/schema/person/9da5fd4e3bc8ceb878dd7941f7be26f3"},"headline":"Functional Interfaces in Java","datePublished":"2014-04-05T13:46:51+00:00","dateModified":"2022-02-26T11:36:23+00:00","mainEntityOfPage":{"@id":"https://howtodoinjava.com/java/stream/functional-interface-tutorial/"},"wordCount":551,"commentCount":15,"publisher":{"@id":"https://howtodoinjava.com/#organization"},"image":{"@id":"https://howtodoinjava.com/java/stream/functional-interface-tutorial/#primaryimage"},"thumbnailUrl":"https://howtodoinjava.com/wp-content/uploads/2019/03/Java-Streams.jpg","keywords":["Functional Interface","Java 8 Stream"],"articleSection":["Java Streams"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https://howtodoinjava.com/java/stream/functional-interface-tutorial/#respond"]}]},{"@type":"WebPage","@id":"https://howtodoinjava.com/java/stream/functional-interface-tutorial/","url":"https://howtodoinjava.com/java/stream/functional-interface-tutorial/","name":"Functional Interfaces in Java - HowToDoInJava","isPartOf":{"@id":"https://howtodoinjava.com/#website"},"primaryImageOfPage":{"@id":"https://howtodoinjava.com/java/stream/functional-interface-tutorial/#primaryimage"},"image":{"@id":"https://howtodoinjava.com/java/stream/functional-interface-tutorial/#primaryimage"},"thumbnailUrl":"https://howtodoinjava.com/wp-content/uploads/2019/03/Java-Streams.jpg","datePublished":"2014-04-05T13:46:51+00:00","dateModified":"2022-02-26T11:36:23+00:00","description":"Functional interfaces permit exactly one abstract method (SAM Interfaces) and are implemented by lambda expressions in Java.","breadcrumb":{"@id":"https://howtodoinjava.com/java/stream/functional-interface-tutorial/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https://howtodoinjava.com/java/stream/functional-interface-tutorial/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https://howtodoinjava.com/java/stream/functional-interface-tutorial/#primaryimage","url":"https://howtodoinjava.com/wp-content/uploads/2019/03/Java-Streams.jpg","contentUrl":"https://howtodoinjava.com/wp-content/uploads/2019/03/Java-Streams.jpg","width":1280,"height":720,"caption":"Java Streams"},{"@type":"BreadcrumbList","@id":"https://howtodoinjava.com/java/stream/functional-interface-tutorial/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://howtodoinjava.com/"},{"@type":"ListItem","position":2,"name":"Java","item":"https://howtodoinjava.com/java/"},{"@type":"ListItem","position":3,"name":"Java Streams","item":"https://howtodoinjava.com/java/stream/"},{"@type":"ListItem","position":4,"name":"Functional Interfaces in Java"}]},{"@type":"WebSite","@id":"https://howtodoinjava.com/#website","url":"https://howtodoinjava.com/","name":"HowToDoInJava","description":"Java, Spring and Hibernate Tutorials","publisher":{"@id":"https://howtodoinjava.com/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://howtodoinjava.com/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https://howtodoinjava.com/#organization","name":"HowToDoInJava","url":"https://howtodoinjava.com/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https://howtodoinjava.com/#/schema/logo/image/","url":"https://howtodoinjava.com/wp-content/uploads/2022/07/cropped-howtodoinjava-logo-small-e1657903941532.png","contentUrl":"https://howtodoinjava.com/wp-content/uploads/2022/07/cropped-howtodoinjava-logo-small-e1657903941532.png","width":512,"height":512,"caption":"HowToDoInJava"},"image":{"@id":"https://howtodoinjava.com/#/schema/logo/image/"},"sameAs":["http://www.facebook.com/HowToDoInJava","https://x.com/HowToDoInJava","https://twitter.com/howtodoinjava","https://github.com/lokeshgupta1981/"]},{"@type":"Person","@id":"https://howtodoinjava.com/#/schema/person/9da5fd4e3bc8ceb878dd7941f7be26f3","name":"Lokesh Gupta","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https://howtodoinjava.com/#/schema/person/image/","url":"https://secure.gravatar.com/avatar/440b2ffa86b0f8f14d2d1e64cc0ddc8b9a2ffa2ad0fefcbe431460638bd88883?s=96&d=mm&r=g","contentUrl":"https://secure.gravatar.com/avatar/440b2ffa86b0f8f14d2d1e64cc0ddc8b9a2ffa2ad0fefcbe431460638bd88883?s=96&d=mm&r=g","caption":"Lokesh Gupta"},"description":"A fun-loving family man, passionate about computers and problem-solving, with over 15 years of experience in Java and related technologies. An avid Sci-Fi movie enthusiast and a fan of Christopher Nolan and Quentin Tarantino.","sameAs":["https://howtodoinjava.com","http://www.facebook.com/HowToDoInJAVA","https://github.com/lokeshgupta1981/","https://www.linkedin.com/in/lokeshgupta1981/","https://x.com/HowToDoInJAVA"],"url":"https://howtodoinjava.com/author/lokeshgupta/"}]}

google-site-verificationEV_Uq1MFIe3lcKLlf4xhcabIz-68zGeWx8pjwQH3pB8
msvalidate.01C71A4DAE3450D101003DA6DCE7D44ADE
theme-color#fbfbfb
msapplication-TileColor#ffffff
msapplication-TileImagehttps://howtodoinjava.com/wp-content/uploads/2022/07/cropped-howtodoinjava-logo-small-e1657903941532-270x270.png
og:localeen_US
og:typearticle
og:site_nameHowToDoInJava
article:publisherhttp://www.facebook.com/HowToDoInJava
article:authorhttp://www.facebook.com/HowToDoInJAVA
article:published_time2014-04-05T13:46:51+00:00
article:modified_time2022-02-26T11:36:23+00:00
og:imagehttps://howtodoinjava.com/wp-content/uploads/2014/04/Functional-Interface-Error.png
og:image:width673
og:image:height243
og:image:typeimage/png
authorLokesh Gupta
twitter:cardsummary_large_image
twitter:creator@HowToDoInJAVA
twitter:label1Written by
twitter:data1Lokesh Gupta
twitter:label2Est. reading time
twitter:data24 minutes

Links:

Skip to contenthttps://howtodoinjava.com/java/stream/functional-interface-tutorial/#content
https://howtodoinjava.com/
https://howtodoinjava.com/java/stream/functional-interface-tutorial/
Javahttps://howtodoinjava.com/java/basics/java-tutorial/
Spring AIhttps://howtodoinjava.com/series/spring-ai-tutorial/
Spring Boothttps://howtodoinjava.com/spring-boot/spring-boot/
Hibernatehttps://howtodoinjava.com/hibernate/hibernate-tutorials/
JUnit 5https://howtodoinjava.com/junit5/junit/
Interviewhttps://howtodoinjava.com/interview-questions/interview-guides/
https://howtodoinjava.com/java/stream/functional-interface-tutorial/
Lokesh Guptahttps://howtodoinjava.com/author/lokeshgupta/
Java Streamshttps://howtodoinjava.com/java/stream/
Functional Interfacehttps://howtodoinjava.com/tag/functional-interface/
Java 8 Streamhttps://howtodoinjava.com/tag/java-stream-basics/
https://howtodoinjava.com/java/stream/functional-interface-tutorial/#1-what-is-a-functional-interface
https://howtodoinjava.com/java/stream/functional-interface-tutorial/#1-1-only-one-abstract-method-is-allowed
Default methodshttps://howtodoinjava.com/java8/default-methods-in-java-8/
Static methodshttps://howtodoinjava.com/java/keywords/java-static-keyword/
https://howtodoinjava.com/java/stream/functional-interface-tutorial/#1-2-implemented-by-lambda-expressions
lambda expressionshttps://howtodoinjava.com/java8/lambda-expressions/
Comparatorhttps://howtodoinjava.com/java/collections/java-comparator/
https://howtodoinjava.com/java/stream/functional-interface-tutorial/#2-functionalinterface-annotation
Generic Functional Interfaceshttps://howtodoinjava.com/java/stream/generic-functional-interfaces/
https://howtodoinjava.com/java/stream/functional-interface-tutorial/#3-functional-interfaces-in-jdk
Predicatehttps://howtodoinjava.com/java8/how-to-use-predicate-in-java-8/
https://howtodoinjava.com/java/stream/functional-interface-tutorial/#4-demo
https://howtodoinjava.com/java/stream/functional-interface-tutorial/#5-conclusion
Sourcecode on Githubhttps://github.com/lokeshgupta1981/Core-Java/tree/master/src/main/java/com/howtodoinjava/core/streams
1. What is a Functional Interface?https://howtodoinjava.com/java/stream/functional-interface-tutorial/#1-what-is-a-functional-interface
1.1. Only one abstract method is allowedhttps://howtodoinjava.com/java/stream/functional-interface-tutorial/#11-only-one-abstract-method-is-allowed
1.2. Implemented by Lambda Expressionshttps://howtodoinjava.com/java/stream/functional-interface-tutorial/#12-implemented-by-lambda-expressions
2. @FunctionalInterface Annotationhttps://howtodoinjava.com/java/stream/functional-interface-tutorial/#2-functionalinterface-annotation
3. Functional Interfaces in JDKhttps://howtodoinjava.com/java/stream/functional-interface-tutorial/#3-functional-interfaces-in-jdk
4. Demohttps://howtodoinjava.com/java/stream/functional-interface-tutorial/#4-demo
5. Conclusionhttps://howtodoinjava.com/java/stream/functional-interface-tutorial/#5-conclusion
Follow on Twitterhttps://x.com/HowToDoInJava
Portfoliohttps://lokeshgupta.me/
5 Quick Tips to Boost Eclipse Performancehttps://howtodoinjava.com/eclipse/how-to-quickly-make-eclipse-faster/
Internal vs. External Iteration in Javahttps://howtodoinjava.com/java8/internal-vs-external-iteration/
OOPhttps://howtodoinjava.com/java/oops/oop-tutorials/
Regexhttps://howtodoinjava.com/java/regex/java-regex/
Mavenhttps://howtodoinjava.com/maven/maven-tutorials/
Logginghttps://howtodoinjava.com/log4j2/java-logging/
TypeScripthttps://howtodoinjava.com/typescript/typescript-tutorial/
Pythonhttps://howtodoinjava.com/python-tutorial/
About Ushttps://howtodoinjava.com/about/
Advertisehttps://howtodoinjava.com/advertise/
Contact Ushttps://howtodoinjava.com/contact/
Privacy Policyhttps://howtodoinjava.com/privacy-policy/
REST API Tutorialhttps://restfulapi.net/
Githubhttps://github.com/lokeshgupta1981/
LinkedInhttps://www.linkedin.com/in/lokeshgupta1981/
Twitterhttps://twitter.com/howtodoinjava
Facebookhttps://facebook.com/howtodoinjava
Sitemaphttps://howtodoinjava.com/sitemap.xml

Viewport: width=device-width, initial-scale=1

Robots: index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1


URLs of crawlers that visited me.