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+</project>

.idea/modules.xml

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+<?xml version="1.0" encoding="UTF-8"?>
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+    </modules>
+  </component>
+</project>

.idea/workspace.xml

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+  <component name="JsBuildToolPackageJson" detection-done="true" sorting="DEFINITION_ORDER" />
+  <component name="JsGulpfileManager">
+    <detection-done>true</detection-done>
+    <sorting>DEFINITION_ORDER</sorting>
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+              <item name="src" type="462c0819:PsiDirectoryNode" />
+              <item name="main" type="462c0819:PsiDirectoryNode" />
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+    <property name="nodejs_interpreter_path.stuck_in_default_project" value="undefined stuck path" />
+    <property name="nodejs_npm_path_reset_for_default_project" value="true" />
+    <property name="settings.editor.selected.configurable" value="configurable.group.appearance" />
+  </component>
+  <component name="RunDashboard">
+    <option name="ruleStates">
+      <list>
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+        </RuleState>
+        <RuleState>
+          <option name="name" value="StatusDashboardGroupingRule" />
+        </RuleState>
+      </list>
+    </option>
+  </component>
+  <component name="RunManager" selected="JUnit.PersonTest">
+    <configuration default="true" type="Application" factoryName="Application">
+      <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$" />
+    </configuration>
+    <configuration name="PersonTest" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
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+      <option name="TEST_SEARCH_SCOPE">
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+      </option>
+      <patterns />
+    </configuration>
+    <configuration name="PersonTest.printPersonsEligibleForSelectiveServiceAnonymousClass" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
+      <module name="ZCW-Lambdas" />
+      <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
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+      <option name="TEST_SEARCH_SCOPE">
+        <value defaultName="singleModule" />
+      </option>
+      <patterns />
+    </configuration>
+    <configuration name="PersonTest.printPersonsEligibleForSelectiveServiceLambda" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
+      <module name="ZCW-Lambdas" />
+      <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
+      <option name="ALTERNATIVE_JRE_PATH" />
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+      <option name="TEST_SEARCH_SCOPE">
+        <value defaultName="singleModule" />
+      </option>
+      <patterns />
+    </configuration>
+    <configuration name="PersonTest.printPersonsEligibleForSelectiveServiceLocalClass" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
+      <module name="ZCW-Lambdas" />
+      <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
+      <option name="ALTERNATIVE_JRE_PATH" />
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+      <option name="TEST_SEARCH_SCOPE">
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+      </option>
+      <patterns />
+    </configuration>
+    <configuration name="PersonTest.printPersonsWithinAgeRangeTest" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
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+    <configuration default="true" type="JUnit" factoryName="JUnit">
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+    <configuration default="true" type="TestNG" factoryName="TestNG">
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+    </recent_temporary>
+  </component>
+  <component name="SvnConfiguration">
+    <configuration />
+  </component>
+  <component name="TaskManager">
+    <task active="true" id="Default" summary="Default task">
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+      <option name="number" value="Default" />
+      <option name="presentableId" value="Default" />
+      <updated>1530298554480</updated>
+      <workItem from="1530298556046" duration="3240000" />
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+    <servers />
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+  <component name="TestHistory">
+    <history-entry file="PersonTest_printPersonsOlderThanTest - 2018.06.29 at 15h 40m 07s.xml">
+      <configuration name="PersonTest.printPersonsOlderThanTest" configurationId="JUnit" />
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+    <history-entry file="PersonTest_printPersonsOlderThanTest - 2018.06.29 at 15h 44m 45s.xml">
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+    <history-entry file="PersonTest_printPersonsWithinAgeRangeTest - 2018.06.29 at 15h 51m 36s.xml">
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+    </states>
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+</project>

src/ZCW-Lambdas.iml

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/main" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/test" isTestSource="true" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="module-library" scope="TEST">
+      <library name="JUnit4">
+        <CLASSES>
+          <root url="jar://$APPLICATION_HOME_DIR$/lib/junit-4.12.jar!/" />
+          <root url="jar://$APPLICATION_HOME_DIR$/lib/hamcrest-core-1.3.jar!/" />
+        </CLASSES>
+        <JAVADOC />
+        <SOURCES />
+      </library>
+    </orderEntry>
+  </component>
+</module>

src/main/Person.java

@@ -0,0 +1,102 @@
+import java.time.LocalDate;
+import java.time.LocalDateTime;
+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 int getAge() { return Period.between(birthday, LocalDate.now()).getYears();
+    }
+
+    public Sex getGender() {return this.gender;}
+
+    public String printPerson() {
+        return ("Name: " + name + "\nAge: " + getAge() + "\nGender: " + gender + "\nEmail: " + emailAddress);
+    }
+
+    public String printPersonsOlderThan(List<Person> people, int age) {
+        StringBuilder sb = new StringBuilder();
+        for (Person p : people) {
+            if (p.getAge() >= age) {
+                sb.append( p.printPerson() + "\n");
+            }
+        }
+        return sb.toString();
+    }
+
+    public String printPersonsWithinAgeRange(List<Person> people, int low, int high) {
+        StringBuilder sb = new StringBuilder();
+        for (Person p : people) {
+            if (low <= p.getAge() && p.getAge() < high) {
+                sb.append( p.printPerson() + "\n");
+            }
+        }
+        return sb.toString();
+    }
+
+    public String printPersons(List<Person> people, CheckPerson tester) {
+        StringBuilder sb = new StringBuilder();
+        for (Person p : people) {
+            if (tester.test(p)) {
+                sb.append( p.printPerson() + "\n");
+            }
+        }
+        return sb.toString();
+    }
+
+    interface CheckPerson {
+        boolean test(Person p);
+    }
+
+    public String printPersonsEligibleForSelectiveServiceLocalClass(List<Person> people) {
+
+        class CheckPersonEligibleForSelectiveService implements CheckPerson {
+            public boolean test(Person p) {
+                return p.gender == Person.Sex.MALE &&
+                        p.getAge() >= 18 &&
+                        p.getAge() <= 25;
+            }
+
+        }
+        return printPersons(people, new CheckPersonEligibleForSelectiveService());
+    }
+
+    public String printPersonsEligibleForSelectiveServiceAnonymousClass(List<Person> people) {
+        return printPersons(people,
+                new CheckPerson() {
+                    public boolean test(Person p) {
+                        return p.getGender() == Person.Sex.MALE
+                                && p.getAge() >= 18
+                                && p.getAge() <= 25;
+                    }
+                }
+        );
+    }
+
+    public String printPersonsEligibleForSelectiveServiceLambda(List<Person> people){
+        return printPersons(people,
+                (Person p) -> p.getGender() == Person.Sex.MALE
+                        && p.getAge() >= 18
+                        && p.getAge() <= 25
+        );
+    }
+
+
+}

src/test/PersonTest.java

@@ -0,0 +1,101 @@
+import org.junit.Assert;
+import org.junit.Test;
+
+import java.time.LocalDate;
+import java.util.ArrayList;
+import java.util.List;
+
+public class PersonTest{
+
+    @Test
+    public void getAgeTest(){
+        Person person = new Person("John Jacob", LocalDate.of(1950,1,1), Person.Sex.MALE,"fake@email.com");
+
+        int expected = 68;
+
+        Assert.assertEquals(expected, person.getAge());
+    }
+
+    @Test
+    public void getGenderTest(){
+        Person person = new Person("John Jacob", LocalDate.of(1950,1,1), Person.Sex.MALE,"fake@email.com");
+
+        Person.Sex expected = Person.Sex.MALE;
+
+        Assert.assertEquals(expected, person.getGender());
+    }
+
+    @Test
+    public void printPersonTest(){
+        Person person = new Person("John Jacob", LocalDate.of(1950,1,1), Person.Sex.MALE,"fake@email.com");
+
+        String expected = "Name: John Jacob\nAge: 68\nGender: MALE\nEmail: fake@email.com";
+
+        Assert.assertTrue(expected.equals(person.printPerson()));
+    }
+
+    @Test
+    public void printPersonsOlderThanTest() {
+        Person person1 = new Person("John Jacob", LocalDate.of(1950, 1, 1), Person.Sex.MALE, "fake@email.com");
+        Person person2 = new Person("Jingleheimer Schmidt", LocalDate.of(1994, 1, 1), Person.Sex.MALE, "fake2@email.com");
+        List<Person> people = new ArrayList<>();
+        people.add(person1);
+        people.add(person2);
+
+        String expected = "Name: John Jacob\nAge: 68\nGender: MALE\nEmail: fake@email.com\n";
+
+        Assert.assertTrue(expected.equals(person1.printPersonsOlderThan(people, 30)));
+    }
+
+    @Test
+    public void printPersonsWithinAgeRangeTest() {
+        Person person1 = new Person("John Jacob", LocalDate.of(1950, 1, 1), Person.Sex.MALE, "fake@email.com");
+        Person person2 = new Person("Jingleheimer Schmidt", LocalDate.of(1994, 1, 1), Person.Sex.MALE, "fake2@email.com");
+        List<Person> people = new ArrayList<>();
+        people.add(person1);
+        people.add(person2);
+
+        String expected = "Name: John Jacob\nAge: 68\nGender: MALE\nEmail: fake@email.com\n";
+
+        Assert.assertTrue(expected.equals(person1.printPersonsWithinAgeRange(people, 30,  70)));
+    }
+
+    @Test
+    public void printPersonsEligibleForSelectiveServiceLocalClass(){
+        Person person1 = new Person("John Jacob", LocalDate.of(1950, 1, 1), Person.Sex.MALE, "fake@email.com");
+        Person person2 = new Person("Jingleheimer Schmidt", LocalDate.of(1994, 1, 1), Person.Sex.MALE, "fake2@email.com");
+        List<Person> people = new ArrayList<>();
+        people.add(person1);
+        people.add(person2);
+
+        String expected = "Name: Jingleheimer Schmidt\nAge: 24\nGender: MALE\nEmail: fake2@email.com\n";
+
+        Assert.assertTrue(expected.equals(person1.printPersonsEligibleForSelectiveServiceLocalClass(people)));
+    }
+
+    @Test
+    public void printPersonsEligibleForSelectiveServiceAnonymousClass(){
+        Person person1 = new Person("John Jacob", LocalDate.of(1950, 1, 1), Person.Sex.MALE, "fake@email.com");
+        Person person2 = new Person("Jingleheimer Schmidt", LocalDate.of(1994, 1, 1), Person.Sex.MALE, "fake2@email.com");
+        List<Person> people = new ArrayList<>();
+        people.add(person1);
+        people.add(person2);
+
+        String expected = "Name: Jingleheimer Schmidt\nAge: 24\nGender: MALE\nEmail: fake2@email.com\n";
+
+        Assert.assertTrue(expected.equals(person1.printPersonsEligibleForSelectiveServiceAnonymousClass(people)));
+    }
+
+    @Test
+    public void printPersonsEligibleForSelectiveServiceLambda(){
+        Person person1 = new Person("John Jacob", LocalDate.of(1950, 1, 1), Person.Sex.MALE, "fake@email.com");
+        Person person2 = new Person("Jingleheimer Schmidt", LocalDate.of(1994, 1, 1), Person.Sex.MALE, "fake2@email.com");
+        List<Person> people = new ArrayList<>();
+        people.add(person1);
+        people.add(person2);
+
+        String expected = "Name: Jingleheimer Schmidt\nAge: 24\nGender: MALE\nEmail: fake2@email.com\n";
+
+        Assert.assertTrue(expected.equals(person1.printPersonsEligibleForSelectiveServiceLambda(people)));
+    }
+}