Driver.java

package com.blabad.jdk8.lambda;

import java.util.Arrays;
import java.util.Iterator;
import java.util.List;
import java.util.function.Consumer;

public class Driver {

	public static void main(String[] args) {
		
		System.out.println("=======test 1=======");
		List<String> names = Arrays.asList("F", "Fo", "Foo");
		Iterator<Integer> lengths = names.stream().map(name -> name.length()).iterator();
		lengths.forEachRemaining(x -> {
			System.out.println(x);
			System.out.println("---");
		});
		
		// or using more java 8 features :
		//method reference 
		System.out.println("========test 2========");
		names.stream().map(String::length).forEach(System.out::println);
		
		//lambda expression + functional Interface
		System.out.println("========test 3========");
		Consumer<String> myPrint = (x) -> {
			System.out.println(x);
			System.out.println("---");
		};
		
		
		names.stream().filter(x -> x.length() > 2).forEach(myPrint);;
	}

}