Add the homework

lab03/.gitignore

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+target/
+!.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**/target/
+!**/src/test/**/target/
+.idea/
+
+### 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

lab03/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>lab03</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>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>RELEASE</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter</artifactId>
+            <version>RELEASE</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+</project>

lab03/src/main/java/org/example/CorrectName.java

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+package org.example;
+
+public class CorrectName extends RuntimeException {
+    public CorrectName (String message) {
+        super(message);
+    }
+}

lab03/src/main/java/org/example/Main.java

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+package org.example;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+
+public class Main {
+    public static void main(String[] args) throws IOException {
+
+    }
+
+}

lab03/src/main/java/org/example/Person.java

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+package org.example;
+
+import java.util.Objects;
+
+public class Person {
+    private Integer id;
+    private String name;
+    private Integer age;
+    private String occupation;
+
+    public Person(Integer id, String name, Integer age, String occupation) {
+        this.id = id;
+        this.name = name;
+        this.age = age;
+        this.occupation = occupation;
+    }
+
+    public Integer getId() {
+        return id;
+    }
+
+    public void setId(Integer id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public Integer getAge() {
+        return age;
+    }
+
+    public void setAge(Integer age) throws RangeValues{
+        if(age<0){
+            throw new RangeValues("This value is less than 0.");
+        }
+        this.age = age;
+    }
+
+    public String getOccupation() {
+        return occupation;
+    }
+
+    public void setOccupation(String occupation) {
+        this.occupation = occupation;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (o == null || getClass() != o.getClass()) return false;
+        Person person = (Person) o;
+        return Objects.equals(name, person.name) && Objects.equals(age, person.age) && Objects.equals(occupation, person.occupation);
+    }
+
+    @Override
+    public String toString() {
+        return "Person{" +
+                "id=" + id +
+                ", name='" + name + '\'' +
+                ", age=" + age +
+                ", occupation='" + occupation + '\'' +
+                '}';
+    }
+}

lab03/src/main/java/org/example/PersonsList.java

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+package org.example;
+
+import java.io.File;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+
+public class PersonsList {
+    private List<Person> myList;
+
+    public PersonsList() {
+        this.myList = new ArrayList<>();
+    }
+
+    public void addPerson(Person person) {
+        this.myList.add(person);
+    }
+
+    public List<Person> getPersons() {
+        return this.myList;
+    }
+
+    public Person findByName(String name){
+        Person myPerson = null;
+        if(!name.contains(" ")){
+            throw new CorrectName("The name format is incorrect.");
+        }else{
+            for (int i=0; i<this.myList.size(); i++){
+                if(name.equals(this.myList.get(i).getName())){
+                    myPerson = myList.get(i);
+                }
+            }
+        }
+
+        return myPerson;
+    }
+
+    public Person clone(Person person){
+        Person myPerson;
+        int newId;
+
+        newId = person.getId() +1;
+        myPerson = new Person(newId, person.getName(), person.getAge(), person.getOccupation());
+
+        return myPerson;
+    }
+
+    public void writeToPerson(Person person) throws IOException {
+        String filepath = "src/main/java/org/example/file.txt";
+
+        File file = new File(filepath);
+        FileWriter fileToString = new FileWriter(filepath, true);
+        fileToString.write(person.toString());
+        fileToString.close();
+
+
+    }
+
+}

lab03/src/main/java/org/example/RangeValues.java

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+package org.example;
+
+public class RangeValues extends RuntimeException {
+    public RangeValues(String message) {
+        super(message);
+    }
+}
+

lab03/src/test/java/org/example/PersonTest.java

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+package org.example;
+
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class PersonTest {
+
+    @Test
+    void setAge_LessZero_Error() {
+        assertThrows(RangeValues.class, () -> {
+            Person myPerson1 = new Person (1234,"John Hood", -1, "Policeman");
+            myPerson1.setAge(-1);
+        });
+    }
+}

lab03/src/test/java/org/example/PersonsListTest.java

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+package org.example;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.*;
+class PersonsListTest {
+    private PersonsList myList = new PersonsList();
+
+    @BeforeEach
+    public void setUp() {
+        Person myPerson1 = new Person(1234, "John Hood", 34, "Policeman");
+        Person myPerson2 = new Person(4536, "Anais Nin", 66, "writer");
+        Person myPerson3 = new Person(7489, "Marry Kain", 54, "waiter");
+
+        myList.addPerson(myPerson1);
+        myList.addPerson(myPerson2);
+        myList.addPerson(myPerson3);
+    }
+
+    @Test
+    void findByName_CorrectNameFormat_Correct() {
+        assertEquals(myList.getPersons().get(1), myList.findByName("Anais Nin"));
+    }
+
+    @Test
+    void findByName_IncorrectNameFormat_Error() {
+        assertThrows(CorrectName.class, () -> {
+            myList.findByName("Anais");
+        });
+    }
+
+    @Test
+    void testClone_InstancePerson_Correct() {
+        assertTrue(myList.getPersons().get(2).equals(new Person (7489,"Marry Kain", 54,"waiter")) &&
+                myList.getPersons().get(2).getId()!=myList.clone(myList.getPersons().get(2)).getId());
+
+    }
+}