Laboratory 2.04 is finished.

Lab2.04.new/.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

Lab2.04.new/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>Ironhack.schl</groupId>
+    <artifactId>Lab2.04.new</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>
+
+        <!-- https://mvnrepository.com/artifact/org.junit.jupiter/junit-jupiter-api -->
+        <dependency>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter-api</artifactId>
+            <version>5.10.2</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+</project>

Lab2.04.new/src/main/java/Ironhack/schl/Person.java

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+package Ironhack.schl;
+
+public class Person {
+    private int id;
+    private String name;
+    private int age;
+    private String occupation;
+
+    //Constructor
+
+    public Person(int id, String name, int age, String occupation) {
+        this.id = id;
+        this.name = name;
+        setAge(age);
+        this.occupation = occupation;
+    }
+
+    public void setAge(int age) throws IllegalArgumentException {
+        if (age < 0) {
+            throw new IllegalArgumentException("A non-negative age value is required.");
+        } else {
+            this.age = age;
+        }
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public int getAge() {
+        return age;
+    }
+
+    public String getOccupation() {
+        return occupation;
+    }
+
+    public int getId() {
+        return id;
+    }
+
+
+    public boolean equals(Person otherPerson) {
+        return this.name.equals(otherPerson.name) &&
+                this.age == otherPerson.age &&
+                this.occupation.equals(otherPerson.occupation);
+    }
+
+    @Override
+    public String toString() {
+        return "Person{" +
+                "id=" + id +
+                ", name='" + name + '\'' +
+                ", age=" + age +
+                ", occupation='" + occupation + '\'' +
+                '}';
+    }
+}
+
+

Lab2.04.new/src/main/java/Ironhack/schl/PersonList.java

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+package Ironhack.schl;
+
+import java.util.List;
+import java.util.stream.Collectors;
+
+public class PersonList {
+    private List<Person> personList;
+
+    public PersonList(List<Person> personList) {
+        this.personList = personList;
+    }
+
+    public Person findByName(String name) throws IllegalArgumentException {
+        String[] fullName = name.split(" ");
+        if (fullName.length != 2) {
+            throw new IllegalArgumentException("Please enter your first and last name separated by a space.");
+        }
+        String firstName = fullName[0];
+        String lastName = fullName[1];
+
+        return personList.stream()
+                .filter(person -> person.getName().equals(firstName + " " + lastName))
+                .findFirst()
+                .orElseThrow(() -> new IllegalArgumentException("The person was not found."));
+    }
+
+
+    public Person clone(Person person) {
+        int newId = personList.stream()
+                .mapToInt(Person::getId)
+                .max()
+                .orElse(0) + 1;
+
+        return new Person(newId, person.getName(), person.getAge(), person.getOccupation());
+    }
+
+    public void writeToFile(Person person, String filePath) {
+        try {
+            java.io.FileWriter fileWriter = new java.io.FileWriter(filePath);
+            fileWriter.write(person.toString());
+            fileWriter.close();
+        } catch (Exception e) {
+            System.out.println("An error occurred when writing to file: " + e.getMessage());
+
+        }
+    }
+}

Lab2.04.new/src/test/java/PersonListTest.java

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+import Ironhack.schl.Person;
+import Ironhack.schl.PersonList;
+import org.junit.jupiter.api.Test;
+
+import java.util.List;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+public class PersonListTest {
+    @Test
+    public void testFindByName() throws IllegalArgumentException {
+
+        Person person1 = new Person(407809, "Rori Donovan", 35, "Engineer");
+        PersonList personList1 = new PersonList(List.of(person1));
+        // To verify that the method returns the correct person when the name is found.
+        assertEquals(person1, personList1.findByName("Rori Donovan"));
+    }
+    @Test
+    public void testFindByName_ImproperFormatting() throws IllegalArgumentException {
+
+        Person person2 = new Person(407809, "DeidreLlewellyn", 55, "Physicist");
+        PersonList personList2 = new PersonList(List.of(person2));
+        // To verify that the method throws an exception when the name is not found.
+        assertThrows(IllegalArgumentException.class, () -> personList2.findByName("Deidre Llewellyn"));
+    }
+    @Test
+    public void testClone() throws IllegalArgumentException {
+
+        Person person1 = new Person(407809, "Rori Donovan", 35, "Engineer");
+        PersonList personList1 = new PersonList(List.of(person1));
+        //To verify that the method clones the person's name, age, and occupation correctly.
+        // The id should differ from the original person.
+        Person person3 = personList1.clone(person1);
+        assertEquals(person1.getName(), person3.getName());
+        assertEquals(person1.getAge(), person3.getAge());
+        assertEquals(person1.getOccupation(), person3.getOccupation());
+        assertNotEquals(person1.getId(), person3.getId());
+    }
+
+}

Lab2.04.new/src/test/java/PersonTest.java

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+import Ironhack.schl.Person;
+import Ironhack.schl.PersonList;
+import org.junit.jupiter.api.Test;
+
+import java.util.List;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+
+public class PersonTest {
+
+    @Test
+    public void testSetAge() throws IllegalArgumentException {
+        // To verify that the method sets the age correctly.
+        Person person = new Person(407809, "Rori Donovan", 35, "Engineer");
+        assertEquals(35, person.getAge());
+        // To verify that the method throws an exception when the age is negative.
+        assertThrows(IllegalArgumentException.class, () -> person.setAge(-36));
+
+        // To verify that the method sets an updated age correctly.
+        person.setAge(36);
+        assertEquals(36, person.getAge());
+    }
+}