Click here to watch in Youtube :
https://www.youtube.com/watch?v=ZbEq3wAO9MM&list=UUhwKlOVR041tngjerWxVccw
Product.java
https://sites.google.com/site/ramj2eev1/home/javabasics/StreamDemo_unmodifiable_set.zip?attredirects=0&d=1
Github Link:
https://github.com/ramram43210/Java/tree/master/BasicJava/StreamDemo_unmodifiable_set
Bitbucket Link:
https://bitbucket.org/ramram43210/java/src/adf72ea7a150b1a34af5820c19f2232b522614b9/BasicJava/StreamDemo_unmodifiable_set/?at=master
See also:
All JavaEE Viedos Playlist
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https://www.youtube.com/watch?v=ZbEq3wAO9MM&list=UUhwKlOVR041tngjerWxVccw
Product.java
public class Product { private String name; private int price; public Product(String name, int price) { super(); this.name = name; this.price = price; } 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 [name=" + name + ", price=" + price + "]"; } }StreamDemo.java
import java.util.Arrays; import java.util.Collections; import java.util.List; import java.util.Set; import java.util.stream.Collectors; public class StreamDemo { public static void main(String[] args) { List<Product> productList = Arrays.asList( new Product("potatoes", 15), new Product("orange", 15), new Product("lemon", 20), new Product("bread", 20), new Product("sugar", 30)); /* * Pushing the collector to perform additional transformation: * * The collector has converted a stream to a Set and then * created the unmodifiable Set out of it. */ Set<Product> unmodifiableSet = productList.stream() .collect(Collectors.collectingAndThen( Collectors.toSet(), Collections::unmodifiableSet)); System.out.println("unmodifiableSet = " + unmodifiableSet); } }Output
unmodifiableSet = [Product [name=orange, price=15], Product [name=lemon, price=20], Product [name=potatoes, price=15], Product [name=sugar, price=30], Product [name=bread, price=20]]Click the below link to download the code:
https://sites.google.com/site/ramj2eev1/home/javabasics/StreamDemo_unmodifiable_set.zip?attredirects=0&d=1
Github Link:
https://github.com/ramram43210/Java/tree/master/BasicJava/StreamDemo_unmodifiable_set
Bitbucket Link:
https://bitbucket.org/ramram43210/java/src/adf72ea7a150b1a34af5820c19f2232b522614b9/BasicJava/StreamDemo_unmodifiable_set/?at=master
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