Click here to watch in Youtube : https://www.youtube.com/watch?v=7qlJTI5oHaw&list=UUhwKlOVR041tngjerWxVccwProduct.javaclass Product
{
private int id;
private String name;
private int price;
public Product(int id, String name, int price)
{
super();
this.id = id;
this.name = name;
this.price = price;
}
public int getId()
{
return id;
}
public void setId(int id)
{
this.id = id;
}
public String getName()
{
return name;
}
public void setName(String name)
{
this.name = name;
}
public int getPrice()
{
return price;
}
public void setPrice(int price)
{
this.price = price;
}
@Override
public String toString()
{
return "Product [id=" + id + ", name=" + name + ", price="
+ price + "]";
}
}
StreamDemo.javaimport java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;
/**
*
* Method Reference in stream.
*
*/
public class StreamDemo
{
public static void main(String[] args)
{
List<Product> productList = new ArrayList<Product>();
// Adding Products
productList.add(new Product(1, "Sony mobile", 25000));
productList.add(new Product(2, "Lenovo mobile", 15000));
productList.add(new Product(3, "Nokia mobile", 10000));
productList.add(new Product(4, "Samsung mobile", 40000));
productList.add(new Product(5, "Micromax mobile", 10000));
List<String> productNameList = productList.stream()
.filter(p -> p.getPrice() > 20000) // filtering data
.map(Product::getName) // fetching Name by referring getName method
.collect(Collectors.toList()); // collecting as list
System.out.println(productNameList);
}
}
Output[Sony mobile, Samsung mobile]
Click the below link to download the code:https://sites.google.com/site/ramj2eev1/home/javabasics/StreamDemo_method_ref_App.zip?attredirects=0&d=1Github Link:https://github.com/ramram43210/Java/tree/master/BasicJava/StreamDemo_method_ref_AppBitbucket Link:https://bitbucket.org/ramram43210/java/src/0279ebcce40946c6a80779824fa3df4a8c5201d9/BasicJava/StreamDemo_method_ref_App/?at=masterSee also: All JavaEE Viedos PlaylistAll JavaEE ViedosAll JAVA EE LinksServlets TutorialAll Design Patterns LinksJDBC TutorialJava Collection Framework TutorialJAVA TutorialKids Tutorial