diff --git a/.idea/.gitignore b/.idea/.gitignore
new file mode 100644
index 0000000..26d3352
--- /dev/null
+++ b/.idea/.gitignore
@@ -0,0 +1,3 @@
+# Default ignored files
+/shelf/
+/workspace.xml
diff --git a/.idea/Lambdas2-ZCW.iml b/.idea/Lambdas2-ZCW.iml
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diff --git a/.idea/jarRepositories.xml b/.idea/jarRepositories.xml
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+++ b/.idea/misc.xml
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diff --git a/.idea/modules.xml b/.idea/modules.xml
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--- /dev/null
+++ b/.idea/modules.xml
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+
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diff --git a/.idea/uiDesigner.xml b/.idea/uiDesigner.xml
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+++ b/.idea/uiDesigner.xml
@@ -0,0 +1,124 @@
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+++ b/.idea/vcs.xml
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diff --git a/pom.xml b/pom.xml
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--- /dev/null
+++ b/pom.xml
@@ -0,0 +1,31 @@
+
+
+ 4.0.0
+
+ groupId
+ Lambdas2-ZCW
+ 1.0-SNAPSHOT
+
+
+
+ org.apache.maven.plugins
+ maven-compiler-plugin
+
+ 8
+ 8
+
+
+
+
+
+
+ junit
+ junit
+ RELEASE
+ test
+
+
+
+
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diff --git a/src/main/java/CheckPerson.java b/src/main/java/CheckPerson.java
new file mode 100644
index 0000000..26a5bae
--- /dev/null
+++ b/src/main/java/CheckPerson.java
@@ -0,0 +1,3 @@
+public interface CheckPerson {
+ boolean test(Person p);
+}
diff --git a/src/main/java/Main.java b/src/main/java/Main.java
new file mode 100644
index 0000000..2aac17c
--- /dev/null
+++ b/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 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);
+ }
+}
diff --git a/src/main/java/Network.java b/src/main/java/Network.java
new file mode 100644
index 0000000..c067675
--- /dev/null
+++ b/src/main/java/Network.java
@@ -0,0 +1,30 @@
+import java.util.ArrayList;
+import java.util.List;
+
+public class Network {
+ private List list;
+
+ public Network() {
+ this.list = new ArrayList<>();
+ }
+
+ public void add(Person person){
+ this.list.add(person);
+ }
+
+ public List getList() {
+ return list;
+ }
+
+ public void setList(List list) {
+ this.list = list;
+ }
+
+ public void addArray(Person[] people){
+ for (int i = 0; i < people.length; i++) {
+ this.list.add(people[i]);
+ }
+ }
+
+
+}
diff --git a/src/main/java/Person.java b/src/main/java/Person.java
new file mode 100644
index 0000000..797221a
--- /dev/null
+++ b/src/main/java/Person.java
@@ -0,0 +1,65 @@
+public class Person {
+
+ public enum Sex {
+ MALE, FEMALE
+ }
+
+ private String name;
+ private Integer age;
+ private Sex gender;
+ private String emailAddress;
+
+ public Person() {
+ }
+
+ public Person(String name, Integer age, Sex gender, String emailAddress) {
+ this.name = name;
+ this.age = age;
+ this.gender = gender;
+ this.emailAddress = emailAddress;
+ }
+
+ public String getName() {
+ return name;
+ }
+
+ public void setName(String name) {
+ this.name = name;
+ }
+
+ public Integer getAge() {
+ return age;
+ }
+
+ public void setAge(Integer age) {
+ this.age = age;
+ }
+
+ 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;
+ }
+
+ @Override
+ public String toString(){
+ return "Person = " + name +
+ ", age = " + age +
+ ", gender = " + gender +
+ ", emailAddress = " + emailAddress + "\n";
+ }
+
+ public void printPerson() {
+ System.out.println(this.toString());
+ }
+}
diff --git a/src/main/java/PersonUtilities.java b/src/main/java/PersonUtilities.java
new file mode 100644
index 0000000..8438525
--- /dev/null
+++ b/src/main/java/PersonUtilities.java
@@ -0,0 +1,109 @@
+import com.sun.tools.javac.comp.Check;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class PersonUtilities {
+
+
+ public static List personsOlderThan(List list, int age) {
+ List newList = new ArrayList<>();
+ for (Person p : list) {
+ if (p.getAge() >= age) {
+ newList.add(p);
+ }
+ }
+ return newList;
+ }
+
+ public static List personsYoungerThan(List list, int age) {
+ List newList = new ArrayList<>();
+ for (Person p : list) {
+ if (p.getAge() <= age) {
+ newList.add(p);
+ }
+ }
+ return newList;
+ }
+
+ public static Person findByName(List list, String name){
+ for(Person p: list){
+ if(p.getName().equals(name)){
+ return p;
+ }
+ }
+ return null;
+ }
+
+ public static List personsOfGender(List list, Person.Sex gender) {
+ List newList = new ArrayList<>();
+ for (Person p : list) {
+ if (p.getGender().equals(gender)) {
+ newList.add(p);
+ }
+ }
+ return newList;
+ }
+
+ public static void printPersons(List roster, CheckPerson filter) {
+ for (Person p : roster) {
+ if (filter.test(p)) {
+ p.printPerson();
+ }
+ }
+ }
+
+ public static List getPersons(List list, CheckPerson filter){
+ List filtered = new ArrayList<>();
+ for(Person p : list){
+ if(filter.test(p)){
+ filtered.add(p);
+ }
+ }
+ return filtered;
+ }
+
+ //-------------Local Class--------------
+ static class Under30 implements CheckPerson{
+ public Under30() {
+ }
+ @Override
+ public boolean test(Person p) {
+ return p.getAge() < 30;
+ }
+ }
+
+ static class FemaleWithGoogle implements CheckPerson{
+ public FemaleWithGoogle() {
+ }
+ @Override
+ public boolean test(Person p) {
+ return p.getGender() == Person.Sex.FEMALE && p.getEmailAddress().equals("Google");
+ }
+ }
+
+
+ //--------------------------ANONYMOUS CLASS---------------------------
+ //Creating anonymous class
+ private static CheckPerson maleUnder30 = new CheckPerson() {
+ @Override
+ public boolean test(Person p) {
+ return p.getGender() == Person.Sex.MALE && p.getAge() < 30;
+ }
+ };
+
+ public static CheckPerson getMaleUnder30() {
+ return maleUnder30;
+ }
+
+ private static CheckPerson femaleAbove30 = new CheckPerson(){
+ @Override
+ public boolean test(Person p) {
+ return p.getGender().equals(Person.Sex.FEMALE) && p.getAge() > 30;
+ }
+ };
+ public static CheckPerson femaleAbove30(){
+ return femaleAbove30;
+ }
+
+}
diff --git a/src/test/java/PersonUtilitiesTest.java b/src/test/java/PersonUtilitiesTest.java
new file mode 100644
index 0000000..ef8203b
--- /dev/null
+++ b/src/test/java/PersonUtilitiesTest.java
@@ -0,0 +1,114 @@
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+
+import java.util.List;
+
+public class PersonUtilitiesTest {
+ Network network = new Network();
+ 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 p4 = new Person("Jill",41, Person.Sex.FEMALE,"AOL");
+ Person p5 = new Person("Pete",55, Person.Sex.MALE,"YMail");
+ Person p6 = new Person("Beth",34, Person.Sex.FEMALE,"Google");
+
+ @Before
+ public void populateNetwork(){
+ Person[] people = {p1,p2,p3,p4,p5,p6};
+ network.addArray(people);
+ }
+
+ @Test
+ public void testPersonOlderThan(){
+ //when
+ List filtered = PersonUtilities.personsOlderThan(network.getList(),35);
+ boolean result = filtered.contains(p4) && filtered.contains(p5);
+ //then
+ Assert.assertTrue(result);
+ }
+
+ @Test
+ public void testPersonYoungerThan(){
+ //when
+ List filtered = PersonUtilities.personsYoungerThan(network.getList(),30);
+ boolean result = filtered.contains(p1) && filtered.contains(p2);
+ //then
+ Assert.assertTrue(result);
+ }
+
+ @Test
+ public void testFindByName(){
+ //when
+ Person retrieved = PersonUtilities.findByName(network.getList(),"Bobby");
+ //then
+ Assert.assertEquals(p1,retrieved);
+ }
+
+ @Test
+ public void testPersonsOfGender(){
+ //when
+ List filtered = PersonUtilities.personsOfGender(network.getList(), Person.Sex.FEMALE);
+ boolean result = filtered.contains(p2) && filtered.contains(p4) && filtered.contains(p6);
+ //then
+ Assert.assertTrue(result);
+ }
+
+ //----------------------------Local Class------------------------
+ @Test
+ public void testLocalClassUnder30(){
+ //when
+ List filtered = PersonUtilities.getPersons(network.getList(), new PersonUtilities.Under30());
+ boolean result = filtered.contains(p1) && filtered.contains(p2);
+ //then
+ Assert.assertTrue(result);
+ }
+
+ @Test
+ public void testFemaleWithGoogle(){
+ //when
+ List filtered = PersonUtilities.getPersons(network.getList(), new PersonUtilities.FemaleWithGoogle());
+ boolean result = filtered.contains(p6);
+ //then
+ Assert.assertTrue(result);
+ }
+
+ //---------------------------Anonymous Class---------------------
+ @Test
+ public void testMaleUnder30(){
+ List filtered = PersonUtilities.getPersons(network.getList(), PersonUtilities.getMaleUnder30());
+ boolean result = filtered.contains(p1);
+ //then
+ Assert.assertTrue(result);
+ }
+
+ @Test
+ public void testFemaleAbove30(){
+ List filtered = PersonUtilities.getPersons(network.getList(), PersonUtilities.femaleAbove30());
+ boolean result = filtered.contains(p4) && filtered.contains(p6);
+ //then
+ Assert.assertTrue(result);
+ }
+
+
+ //------------------------------Lambda--------------------------
+ @Test
+ public void testMaleOver30(){
+ List filtered = PersonUtilities.getPersons(network.getList(),
+ person -> person.getAge() > 30 && person.getGender() == Person.Sex.MALE);
+ boolean result = filtered.contains(p5);
+ //then
+ Assert.assertTrue(result);
+ }
+
+ @Test
+ public void testMaleWithYahoo(){
+ List filtered = PersonUtilities.getPersons(network.getList(),
+ person -> person.getGender().equals(Person.Sex.MALE) && person.getEmailAddress().equals("Yahoo"));
+ boolean result = filtered.isEmpty();
+ //then
+ Assert.assertTrue(result);
+
+ }
+
+}
diff --git a/target/classes/CheckPerson.class b/target/classes/CheckPerson.class
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