finished lab

LABJavaExceptions/.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

LABJavaExceptions/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>com.ironhack</groupId>
+    <artifactId>LABJavaExceptions</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>5.12.0</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+</project>

LABJavaExceptions/src/main/java/com/ironhack/Person.java

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+package com.ironhack;
+
+import java.util.Objects;
+
+public class Person {
+    private int id;
+    private String name;
+    private int age;
+    private String occupation;
+
+    public Person(int id, String name, int age, String occupation) {
+        this.id = id;
+        this.name = name;
+        this.age = age;
+        this.occupation = occupation;
+    }
+
+    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) {
+        this.age = age;
+    }
+
+    public String getOccupation() {
+        return occupation;
+    }
+
+    public void setOccupation(String occupation) {
+        this.occupation = occupation;
+    }
+
+    public void setMethodAge(int age) {
+        if (age <= 0) {
+            throw new IllegalArgumentException("Age must be greater than 0");
+        }
+        this.age = age;
+
+    }
+
+    @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 int hashCode() {
+        return Objects.hash(name, age, occupation);
+    }
+
+    @Override
+    public String toString() {
+        return "Person{" +
+                "id=" + id +
+                ", name='" + name + '\'' +
+                ", age=" + age +
+                ", occupation='" + occupation + '\'' +
+                '}';
+    }
+}

LABJavaExceptions/src/main/java/com/ironhack/PersonsList.java

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+package com.ironhack;
+
+import java.io.FileWriter;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+
+public class PersonsList {
+    private final List<Person> persons = new ArrayList<>();
+
+    public PersonsList() {
+        persons.add(new Person(1, "Robert Crumb", 79, "Comic Artist"));
+        persons.add(new Person(2, "Art Spiegelman", 73, "Cartoonist"));
+        persons.add(new Person(3, "Gilbert Shelton", 77, "Comic Artist"));
+        persons.add(new Person(4, "Trina Robbins", 75, "Cartoonist"));
+        persons.add(new Person(5, "Mary Fleener", 65, "Comic Artist"));
+        persons.add(new Person(6, "Kim Deitch", 75, "Cartoonist"));
+    }
+
+    public List<Person> getPersons() {
+        return persons;
+    }
+
+    public Person findByName(String name) {
+        if (!name.matches("^\\S+ \\S+$")) {
+            throw new IllegalArgumentException("The input is not properly formatted. " +
+                    "Should be formatted as 'firstName lastName'");
+        }
+        for (Person person : persons) {
+            if (person.getName().equalsIgnoreCase(name)) {
+                return person;
+            }
+        }
+        return null;
+    }
+
+    public Person clone(Person person, int newId) {
+        if (person == null) {
+            throw new IllegalArgumentException("The person cannot be null");
+        }
+        return new Person(newId, person.getName(), person.getAge(), person.getOccupation());
+
+    }
+
+    public void writePersonToFile(Person person, String filename) {
+        try (FileWriter writer = new FileWriter(filename, true)) {
+            writer.write(person.toString() + System.lineSeparator());
+        } catch (IOException e) {
+            System.err.println("Error writing person to file: " + e.getMessage());
+        }
+    }
+
+    @Override
+    public String toString() {
+        return "PersonsList{" +
+                "persons=" + persons +
+                '}';
+    }
+}

LABJavaExceptions/src/test/java/com/ironhack/PersonTest.java

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+package com.ironhack;
+
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class PersonTest {
+
+    @Test
+    @DisplayName("Should throw an Exception if the age is 0 or negative")
+    void setMethodAge() {
+        Person p = new Person(1, "Test User", 25, "Tester");
+        assertThrows(IllegalArgumentException.class, () -> p.setMethodAge(-1));
+    }
+}

LABJavaExceptions/src/test/java/com/ironhack/PersonsListTest.java

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+package com.ironhack;
+
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class PersonsListTest {
+
+    @Test
+    @DisplayName("Should return a valid object Person")
+    void findByName() {
+       PersonsList list = new PersonsList();
+        Person person = list.findByName("Mary Fleener");
+        assertNotNull(person);
+        assertEquals("Mary Fleener", person.getName());
+    }
+    @Test
+    @DisplayName("Should return a exception if the formatted is incorrect")
+    void findByNameIncorrect() {
+       PersonsList list = new PersonsList();
+       assertThrows(IllegalArgumentException.class, () -> list.findByName("Mary"));
+       assertThrows(IllegalArgumentException.class, () -> list.findByName("Mary Fleener Plus"));
+    }
+
+    @Test
+    void testClone() {
+        PersonsList list = new PersonsList();
+        Person original = list.findByName("Mary Fleener");
+        Person clone = list.clone(original, 99);
+        assertNotNull(clone);
+        assertEquals(original.getName(), clone.getName());
+        assertEquals(original.getAge(), clone.getAge());
+        assertEquals(original.getOccupation(), clone.getOccupation());
+        assertNotEquals(original.getId(), clone.getId());
+    }
+}