Finished Lab

Extension/.gitignore

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+target/
+!.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**/target/
+!**/src/test/**/target/
+
+### IntelliJ IDEA ###
+.idea/modules.xml
+.idea/jarRepositories.xml
+.idea/compiler.xml
+.idea/libraries/
+*.iws
+*.iml
+*.ipr
+
+### Eclipse ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+build/
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### VS Code ###
+.vscode/
+
+### Mac OS ###
+.DS_Store

Extension/pom.xml

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+<?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>org.example</groupId>
+    <artifactId>Extension</artifactId>
+    <version>1.0-SNAPSHOT</version>
+
+    <properties>
+        <maven.compiler.source>17</maven.compiler.source>
+        <maven.compiler.target>17</maven.compiler.target>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter-api</artifactId>
+            <version>5.7.1</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter-engine</artifactId>
+            <version>5.7.1</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+</project>

Extension/src/main/java/org/example/Main.java

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+package org.example;
+
+public class Main {
+    public static void main(String[] args) {
+
+                    PersonsList personList = new PersonsList();
+
+                try{
+                    personList.getList().add(new Person(1, "John Doe", 30, "Software Developer"));
+                    personList.getList().add(new Person(2, "Jane Doe", 25, "Software Developer"));
+                    personList.getList().add(new Person(3, "John Smith", 35, "Wifi Hacker"));
+
+                    for(Person p : personList.getList()){
+                        Person p1 = personList.findByName(p.getName());
+                        System.out.println("Found: " + p1);
+
+                        Person clonedPerson = personList.clone(p);
+                        System.out.println("Cloned: " + clonedPerson);
+
+                        personList.writePersonToFile(p);
+                    }
+                }
+                catch (Exception e){
+                    System.out.println("Error: " + e.getMessage());
+                }
+
+   }
+}

Extension/src/main/java/org/example/Person.java

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+package org.example;
+
+import java.util.Objects;
+
+public class Person {
+
+    //PRIVATE PROPERTIES
+    private int id;
+    private String name;
+    private int age;
+    private String occupation;
+
+    //CONSTRUCTOR
+    public Person(int id, String name, int age, String occupation){
+        try {
+            setId(id);
+            setName(name);
+            setAge(age);
+            setOccupation(occupation);
+        } catch (Exception e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    //GETTERS AND SETTERS
+    public int getId() {
+        return id;
+    }
+
+    public void setId(int id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public int getAge() {
+        return age;
+    }
+
+    public void setAge(int age) {
+        if(age < 0) {
+            throw new IllegalArgumentException("Age must be greater than 0");
+        }
+        this.age = age;
+    }
+
+    public String getOccupation() {
+        return occupation;
+    }
+
+    public void setOccupation(String occupation) {
+        this.occupation = occupation;
+    }
+
+    //METHODS
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        Person person = (Person) o;
+        return age == person.age && Objects.equals(name, person.name) && Objects.equals(occupation, person.occupation);
+    }
+
+    @Override
+    public String toString() {
+        return "Person{" +
+                "id=" + id +
+                ", name='" + name + '\'' +
+                ", age=" + age +
+                ", occupation='" + occupation + '\'' +
+                '}';
+    }
+
+
+}

Extension/src/main/java/org/example/PersonsList.java

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+package org.example;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.io.FileWriter;
+import java.io.PrintWriter;
+import java.io.IOException;
+import java.util.UUID;
+
+public class PersonList {
+    private List<Person> list = new ArrayList<>();
+
+
+    //METHODS
+    public Person findByName(String n)  {
+        if (n.split(" ").length != 2)
+            throw new IllegalArgumentException("Invalid name format. It should be 'firstName lastName'.");
+
+        for (Person p : list) {
+            if (p.getName().equals(n)) {
+                return p;
+            }
+        }
+        return null;
+    }
+
+    public Person clone(Person p) {
+        return new Person(UUID.randomUUID().hashCode(), p.getName(), p.getAge(), p.getOccupation());
+
+    }
+
+    public void writePersonToFile (Person p) {
+        try{
+            FileWriter fileWriter = new FileWriter("person.txt");
+            PrintWriter printWriter = new PrintWriter(fileWriter);
+            printWriter.println(p.toString());
+            printWriter.close();
+        }catch (IOException e){
+            System.out.println("Error: " + e.getMessage());
+        }
+
+    }
+
+    //ARRAYLIST METHODS
+    public List<Person> getList(){
+        return list;
+    }
+}

Extension/src/test/java/PersonTest.java

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+package org.example;
+
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class PersonListTest {
+
+    @Test
+    void findByName1() {
+        PersonList personList = new PersonList();
+        Person p = new Person(1, "Jenna Doe", 30, "Software Developer");
+        personList.getList().add(p);
+        Person foundPerson = personList.findByName("Jenna Doe");
+        assertEquals(p, foundPerson);
+    }
+
+    @Test
+    void findByName2() {
+        PersonList personList = new PersonList();
+        Person p = new Person(1, "Jenna Doe", 30, "Software Developer");
+        personList.getList().add(p);
+        assertThrows(IllegalArgumentException.class, () -> personList.findByName("Jenna_Doe"));
+    }
+
+    @Test
+    void testClone() {
+        PersonList personList = new PersonList();
+        Person p = new Person(1, "John Doe", 30, "Software Developer");
+        Person clonedPerson = personList.clone(p);
+        assertEquals(p.getName(), clonedPerson.getName());
+        assertEquals(p.getAge(), clonedPerson.getAge());
+        assertEquals(p.getOccupation(), clonedPerson.getOccupation());
+        assertNotEquals(p.getId(), clonedPerson.getId());
+
+
+    }
+}