done

pom.xml

@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>groupId</groupId>
+    <artifactId>Lambdas2-ZCW</artifactId>
+    <version>1.0-SNAPSHOT</version>
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <configuration>
+                    <source>8</source>
+                    <target>8</target>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+    <dependencies>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>RELEASE</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+</project>

src/main/java/CheckPerson.java

@@ -0,0 +1,3 @@
+public interface CheckPerson {
+    boolean test(Person p);
+}

src/main/java/Main.java

@@ -0,0 +1,59 @@
+import com.sun.jndi.toolkit.dir.SearchFilter;
+import com.sun.tools.javac.comp.Check;
+import sun.nio.ch.Net;
+
+import javax.naming.directory.SearchControls;
+import java.util.ArrayList;
+import java.util.List;
+
+public class Main {
+
+    public static void printPersons(List<Person> roster, CheckPerson filter) {
+        for (Person p : roster) {
+            if (filter.test(p)) {
+                p.printPerson();
+            }
+        }
+    }
+
+    public static void main(String[] args) {
+
+        Person p1 = new Person("Bobby", 21, Person.Sex.MALE,"hotmail");
+        Person p2 = new Person("Ana",25, Person.Sex.FEMALE,"Yahoo");
+        Person p3 = new Person("Jack",30, Person.Sex.MALE,"Google");
+        Person[] people = {p1,p2,p3};
+
+        Network network = new Network();
+        network.addArray(people);
+
+        //--------------------------LOCAL CLASS-------------------------------
+        //Creating local class
+        class Under30 implements CheckPerson{
+            @Override
+            public boolean test(Person p) {
+                return p.getAge() < 30;
+            }
+        }
+        //Testing using local class
+        System.out.println("===========================LOCAL=========================");
+        printPersons(network.getList(),new Under30());
+
+        //--------------------------ANONYMOUS CLASS---------------------------
+        //Creating anonymous class
+        CheckPerson maleUnder30 = new CheckPerson() {
+            @Override
+            public boolean test(Person p) {
+                return p.getGender() == Person.Sex.MALE && p.getAge() < 30;
+            }
+        };
+        //Testing using anonymous class
+        System.out.println("=========================ANONYMOUS========================");
+        printPersons(network.getList(), maleUnder30);
+
+        //--------------------------LAMBDA EXPRESSION------------------------
+        //Testing using lambda expression for female under 30
+        System.out.println("===========================LAMBDA=========================");
+        printPersons(network.getList(), person ->
+                person.getGender()== Person.Sex.FEMALE && person.getAge() < 30);
+    }
+}

src/main/java/Network.java

@@ -0,0 +1,30 @@
+import java.util.ArrayList;
+import java.util.List;
+
+public class Network {
+    private List<Person> list;
+
+    public Network() {
+        this.list = new ArrayList<>();
+    }
+
+    public void add(Person person){
+        this.list.add(person);
+    }
+
+    public List<Person> getList() {
+        return list;
+    }
+
+    public void setList(List<Person> list) {
+        this.list = list;
+    }
+
+    public void addArray(Person[] people){
+        for (int i = 0; i < people.length; i++) {
+            this.list.add(people[i]);
+        }
+    }
+
+
+}