= Java8 =
Has many improvments like added support for functional programming, added new date time API and the new stream API similar to LINQ queries in C# (map/reduce).

== Lambda expressions examples ==
{{{#!highlight java
/*
javac LambdaExpressionTest.java 
java -cp . LambdaExpressionTest
*/
public class LambdaExpressionTest{
    public static void main(String[] args){
        System.out.println("LambdaExpressionTest");
        // define implementation
        // (lambda parameters) -> { // lambda body };
        TestIt testIt = (stuffx) -> System.out.println("Stuff " + stuffx);
        testIt.sayStuff("Msg");
        
        // change lambda function implementation
        testIt = (stuffxx) -> {
            stuffxx = stuffxx.toUpperCase();
            System.out.println("OtherStuff " + stuffxx);            
        };
        testIt.sayStuff("Msg");
    }
    
    // lambda expressions require interfaces to define the expected parameters
    public interface TestIt{
        void sayStuff(String stuff);
    }
}
}}}

== Method reference examples ==
{{{#!highlight java
/*
Usage of :: to refer to a method. Similar in concept to function pointers/callbacks

javac MethodReferenceExample.java ASD.java 
java -cp . MethodReferenceExample   

Interface Consumer<T>
Functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
*/

import java.util.ArrayList;

public class MethodReferenceExample{
    public static void main(String[] args){
        System.out.println("MethodReferenceExample");
        ArrayList<String> al = new ArrayList<String>();
        al.add("Str1");
        al.add("Str2");
        al.add("Str3");
        
        //For each string in the array list call println having as argument the item
        al.forEach(System.out::println);
        ASD dummy = new ASD();
        al.forEach(dummy::showStuff);
    }     
}
}}}
{{{#!highlight java
    public class ASD{
        public ASD(){            
        }        
        
        public void showStuff(String message){
            System.out.println("Show stuff " + message);
        }
    }
}}}