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+    <entry file="file://$PROJECT_DIR$/src/main/java/CheckPerson.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="15">
+          <caret line="1" column="16" selection-start-line="1" selection-start-column="16" selection-end-line="1" selection-end-column="16" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/test/java/MembersTest.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="210">
+          <caret line="14" column="5" lean-forward="true" selection-start-line="14" selection-start-column="5" selection-end-line="14" selection-end-column="5" />
+          <folding>
+            <element signature="imports" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/main/java/Person.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="538">
+          <caret line="59" column="25" selection-start-line="59" selection-start-column="25" selection-end-line="59" selection-end-column="25" />
+          <folding>
+            <element signature="imports" expanded="true" />
+            <element signature="e#515#516#0" expanded="true" />
+            <element signature="e#546#547#0" expanded="true" />
+            <element signature="e#578#579#0" expanded="true" />
+            <element signature="e#605#606#0" expanded="true" />
+            <element signature="e#645#646#0" expanded="true" />
+            <element signature="e#677#678#0" expanded="true" />
+            <element signature="e#715#716#0" expanded="true" />
+            <element signature="e#746#747#0" expanded="true" />
+            <element signature="e#797#798#0" expanded="true" />
+            <element signature="e#837#838#0" expanded="true" />
+            <element signature="e#867#868#0" expanded="true" />
+            <element signature="e#896#897#0" expanded="true" />
+            <element signature="e#937#938#0" expanded="true" />
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+            <element signature="e#1012#1013#0" expanded="true" />
+            <element signature="e#1047#1048#0" expanded="true" />
+            <element signature="e#1103#1104#0" expanded="true" />
+            <element signature="e#1151#1152#0" expanded="true" />
+            <element signature="e#1250#1251#0" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/main/java/Members.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="90">
+          <caret line="6" column="6" selection-start-line="6" selection-start-column="6" selection-end-line="6" selection-end-column="6" />
+          <folding>
+            <element signature="imports" expanded="true" />
+            <element signature="e#123#124#0" expanded="true" />
+            <element signature="e#157#158#0" expanded="true" />
+            <element signature="e#211#212#0" expanded="true" />
+            <element signature="e#230#231#0" expanded="true" />
+            <element signature="e#279#280#0" expanded="true" />
+            <element signature="e#298#299#0" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/test/java/PersonTest.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="570">
+          <caret line="38" column="39" selection-start-line="38" selection-start-column="39" selection-end-line="38" selection-end-column="39" />
+          <folding>
+            <element signature="imports" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+  </component>
+</project>

pom.xml

+<?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>ZCW-Lambdas</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

+interface CheckPerson {
+    boolean test(Person p);
+}

src/main/java/Members.java

+import java.time.Period;
+import java.util.ArrayList;
+import java.util.List;
+
+public class Members {
+
+    List<Person> members;
+
+
+    public Members() {
+        members = new ArrayList<Person>();
+    }
+
+    public void add(Person person){
+        this.members.add(person);
+    }
+
+    public void remove(Person person) {
+        this.members.remove(person);
+    }
+
+    public void printLambda(List<Person>members, CheckPerson tester){
+        members.forEach(person ->  {
+            if(tester.test(person)) {
+                person.printPerson();
+            }});
+        }
+    CheckPerson memberSexMale = p -> (p.gender.equals(Person.Sex.MALE));
+    }

src/main/java/Person.java

+import java.time.LocalDate;
+import java.time.Period;
+import java.util.ArrayList;
+import java.util.List;
+
+public class Person {
+
+    public enum Sex {
+        MALE, FEMALE
+    }
+
+    String name;
+    LocalDate birthday;
+    Sex gender;
+    String emailAddress;
+
+    public Person(String name, LocalDate birthday, Sex gender, String emailAddress){
+        this.name = name;
+        this.birthday = birthday;
+        this.gender = gender;
+        this.emailAddress = emailAddress;
+    }
+
+    public Person(String name){
+        this.name = name;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public LocalDate getBirthday() {
+        return birthday;
+    }
+
+    public void setBirthday(LocalDate birthday) {
+        this.birthday = birthday;
+    }
+
+    public Sex getGender() {
+        return gender;
+    }
+
+    public void setGender(Sex gender) {
+        this.gender = gender;
+    }
+
+    public String getEmailAddress() {
+        return emailAddress;
+    }
+
+    public void setEmailAddress(String emailAddress) {
+        this.emailAddress = emailAddress;
+    }
+
+    public int getAge() {
+        return ( LocalDate.now().getYear() - birthday.getYear());
+    }
+
+    public void printPerson() {
+        String personPrint = this.name + ": " + this.emailAddress;
+        System.out.println(personPrint);
+    }
+
+}

src/test/java/MembersTest.java

+import org.junit.Test;
+
+import java.util.List;
+
+import static org.junit.Assert.*;
+
+public class MembersTest {
+
+    @Test
+    public void add() {
+        Members test = new Members();
+        Person billy = new Person("Billy");
+        test.add(billy);
+        assertTrue(test.members.contains(billy));
+    }
+
+    @Test
+    public void printPersonsLambdaTest() {
+        Members test = new Members();
+        Person billy = new Person("Billy");
+        billy.setGender(Person.Sex.MALE);
+        test.add(billy);
+
+
+        assertTrue(test.memberSexMale.test(billy));
+
+    }
+
+
+    @Test
+    public void remove() {
+        Members test = new Members();
+        Person billy = new Person("Slap Shot");
+        Person timmy = new Person("Bronco");
+        test.add(billy);
+        test.add(timmy);
+        test.remove(billy);
+        assertTrue(!test.members.contains(billy));
+    }
+
+}

src/test/java/PersonTest.java

+import org.junit.Test;
+import java.time.LocalDate;
+import static org.junit.Assert.*;
+
+public class PersonTest {
+     @Test
+     public void getSetName() {
+         Person test = new Person("Ben");
+         test.setName("Ben");
+         assertTrue(test.getName().equalsIgnoreCase("ben"));
+     }
+
+     @Test
+     public void getSetBirthday() {
+         Person test = new Person("Ben");
+         test.setBirthday(LocalDate.of(1981,12,21));
+         assertTrue(test.birthday.equals(LocalDate.of(1981,12,21)));
+     }
+
+     @Test
+     public void getSetGender() {
+         Person test = new Person("Ben");
+         test.setGender(Person.Sex.MALE);
+         assertTrue(test.getGender().equals(Person.Sex.MALE));
+     }
+
+
+     @Test
+     public void getSetEmailAddress() {
+         Person test = new Person("Dave");
+         test.setEmailAddress("totallyMeEmail@realEmail.com");
+         assertTrue(test.getEmailAddress().equalsIgnoreCase("totallyMeEmail@realEmail.com"));
+     }
+
+     @Test
+     public void getAge() {
+         Person test = new Person("Ben");
+         test.setBirthday(LocalDate.of(1981,12,21));
+         assertTrue(test.getAge() == 37);
+     }
+
+}