Thursday, 15 June 2017

How to refer a constructor using method reference | Method reference in Java 8


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How to refer a constructor using method reference | Method reference in Java 8 
MethodReferenceDemo.java
/**
 *
 * We are using functional interface Messageable and referring constructor with
 * the help of functional interface.
 *
 */
@FunctionalInterface
interface Messageable
{
    Message getMessage(String msg);
}

class Message
{
    public Message(String msg)
    {
        System.out.print(msg);
    }
}

public class MethodReferenceDemo
{
    public static void main(String[] args)
    {
        Messageable messageable = Message::new;
        messageable.getMessage("Hello");
    }
}
Output
Hello
Click the below link to download the code:
https://sites.google.com/site/ramj2eev1/home/javabasics/LambdaDemo_method_ref_constructor_app.zip?attredirects=0&d=1

Github Link:
https://github.com/ramram43210/Java/tree/master/BasicJava/LambdaDemo_method_ref_constructor_app

Bitbucket Link:
https://bitbucket.org/ramram43210/java/src/525432e9afa25ee5052810cb2318f64453ffeffa/BasicJava/LambdaDemo_method_ref_constructor_app/?at=master

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