Click here to watch in Youtube :
https://www.youtube.com/watch?v=GcHBJnaT5RY&list=UUhwKlOVR041tngjerWxVccw
Person.java
public class Person { private String name; private int age; public Person(String name, int age) { super(); this.name = name; this.age = age; } public String getName() { return name; } public void setName(String name) { this.name = name; } public int getAge() { return age; } public void setAge(int age) { this.age = age; } @Override public String toString() { return "Person [name=" + name + ", age=" + age + "]"; } }LambdaPredicateConsumerDemo.java
import java.util.Arrays; import java.util.List; import java.util.function.Consumer; import java.util.function.Predicate; public class LambdaPredicateConsumerDemo { public static void main(String[] args) { List<Person> personList = Arrays.asList( new Person("Carla", 33), new Person("Balu", 32), new Person("Bharth", 40), new Person("Ajay", 31)); System.out.println("------------Name Starts with B---------"); /* * Create a method that prints all people that have name * begins with B. */ printNameBeginWith_B(personList, p -> p.getName().startsWith("B"), p -> System.out.println(p)); System.out.println("----------------------------------------"); printNameBeginWith_B(personList, p -> p.getName().startsWith("B"), p -> System.out.println(p.getName())); System.out.println("----------------------------------------"); printNameBeginWith_B(personList, p -> p.getName().startsWith("B"), p -> System.out.println(p.getAge())); } private static void printNameBeginWith_B(List<Person> personList, Predicate<Person> predicate, Consumer<Person> consumer) { for (Person person : personList) { if (predicate.test(person)) { consumer.accept(person); } } } }Output
------------Name Starts with B--------- Person [name=Balu, age=32] Person [name=Bharth, age=40] ---------------------------------------- Balu Bharth ---------------------------------------- 32 40Refer
https://docs.oracle.com/javase/8/docs/api/java/util/function/Predicate.html
https://docs.oracle.com/javase/8/docs/api/java/util/function/Consumer.html
Click the below link to download the code:
https://sites.google.com/site/ramj2eev1/home/javabasics/LambdaDemo_consumer_App.zip?attredirects=0&d=1
Github Link:
https://github.com/ramram43210/Java/tree/master/BasicJava/LambdaDemo_consumer_App
Bitbucket Link:
https://bitbucket.org/ramram43210/java/src/317a84d07ee35ecc7934d034a6ca38f552a21665/BasicJava/LambdaDemo_consumer_App/?at=master
See also:
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