Click here to watch in Youtube :
https://www.youtube.com/watch?v=DQVdAQPUkuk&list=UUhwKlOVR041tngjerWxVccw
Person.java
https://sites.google.com/site/ramj2eev1/home/javabasics/StreamDemo_filter_person_male_age.zip?attredirects=0&d=1
Github Link:
https://github.com/ramram43210/Java/tree/master/BasicJava/StreamDemo_filter_person_male_age
Bitbucket Link:
https://bitbucket.org/ramram43210/java/src/4c6dd26ede26896338d54f8923608ecad05bf799/BasicJava/StreamDemo_filter_person_male_age/?at=master
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https://www.youtube.com/watch?v=DQVdAQPUkuk&list=UUhwKlOVR041tngjerWxVccw
Person.java
enum Gender { MALE, FEMALE } public class Person { private String name; private String email; private Gender gender; private int age; public Person(String name, String email, Gender gender, int age) { super(); this.name = name; this.email = email; this.gender = gender; this.age = age; } public String getName() { return name; } public void setName(String name) { this.name = name; } public String getEmail() { return email; } public void setEmail(String email) { this.email = email; } public Gender getGender() { return gender; } public void setGender(Gender gender) { this.gender = gender; } public int getAge() { return age; } public void setAge(int age) { this.age = age; } @Override public String toString() { return "Person [name=" + name + ", gender=" + gender + ", age=" + age + "]"; } }StreamFilterDemo.java
import java.util.ArrayList; import java.util.List; public class StreamFilterDemo { public static void main(String[] args) { List<Person> personList = new ArrayList<>(); personList.add(new Person("Alice","alice@gmail.com",Gender.FEMALE, 16)); personList.add(new Person("Bob","bob@gmail.com", Gender.MALE, 15)); personList.add(new Person("Carol","carol@gmail.com",Gender.FEMALE, 23)); personList.add(new Person("David","david@gmail.com", Gender.MALE, 19)); personList.add(new Person("Eric","eric@gmail.com", Gender.MALE, 26)); System.out.println("--------Filterd based on FEMALE--------"); /* * The filter() operation returns a new stream that consists elements * matching a given condition which is typically a boolean test in form * of a Lambda expression. * * The following code lists only female persons: */ personList.stream().filter(p -> p.getGender().equals(Gender.FEMALE)) .forEach(System.out::println); System.out.println("\n--------Filterd based on Male and Age<=25--------"); /* * The following code shows only male who are under 25: */ personList.stream().filter(p -> p.getGender().equals(Gender.MALE) && p.getAge() <= 25) .forEach(System.out::println); } }Output
--------Filterd based on FEMALE-------- Person [name=Alice, gender=FEMALE, age=16] Person [name=Carol, gender=FEMALE, age=23] --------Filterd based on Male and Age<=25-------- Person [name=Bob, gender=MALE, age=15] Person [name=David, gender=MALE, age=19]Click the below link to download the code:
https://sites.google.com/site/ramj2eev1/home/javabasics/StreamDemo_filter_person_male_age.zip?attredirects=0&d=1
Github Link:
https://github.com/ramram43210/Java/tree/master/BasicJava/StreamDemo_filter_person_male_age
Bitbucket Link:
https://bitbucket.org/ramram43210/java/src/4c6dd26ede26896338d54f8923608ecad05bf799/BasicJava/StreamDemo_filter_person_male_age/?at=master
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