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coursar
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feat(exceptions)
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‎README.md‎

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## Блок 4. Исключения, Интерфейсы, Generics и Collections Framework
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4.1. [ ] [Исключительные ситуации и их обработка. Тестирование исключений](exceptions)
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4.1. [x] [Исключительные ситуации и их обработка. Тестирование исключений](exceptions)
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4.2. [ ] [Интерфейсы для организации малой связности. Обобщённое программирование (Generics)](interfaces)
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‎exceptions/exception-types/pom.xml‎

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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>ru.netology</groupId>
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<artifactId>exception-types</artifactId>
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<version>1.0-SNAPSHOT</version>
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<properties>
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<maven.compiler.source>11</maven.compiler.source>
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<maven.compiler.target>11</maven.compiler.target>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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</properties>
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<dependencies>
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<dependency>
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<groupId>org.projectlombok</groupId>
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<artifactId>lombok</artifactId>
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<version>1.18.12</version>
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<scope>provided</scope>
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</dependency>
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<dependency>
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<groupId>org.junit.jupiter</groupId>
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<artifactId>junit-jupiter</artifactId>
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<version>5.4.2</version>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>org.mockito</groupId>
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<artifactId>mockito-junit-jupiter</artifactId>
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<version>3.3.3</version>
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<scope>test</scope>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-surefire-plugin</artifactId>
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<version>2.22.2</version>
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</plugin>
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</plugins>
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</build>
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</project>

‎exceptions/exception-types/src/main/java/Main.java‎

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import exception.CheckedException;
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import service.Service;
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public class Main {
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public static void main(String[] args) {
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Service service = new Service();
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try {
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service.throwChecked();
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} catch (CheckedException e) {
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e.printStackTrace();
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}
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service.throwUnchecked();
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}
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}
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‎exceptions/exception-types/src/main/java/exception/CheckedException.java‎

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package exception;
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public class CheckedException extends Exception {
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public CheckedException() {
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super();
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}
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public CheckedException(String message) {
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super(message);
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}
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public CheckedException(String message, Throwable cause) {
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super(message, cause);
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}
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public CheckedException(Throwable cause) {
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super(cause);
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}
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protected CheckedException(String message, Throwable cause, boolean enableSuppression, boolean writableStackTrace) {
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super(message, cause, enableSuppression, writableStackTrace);
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}
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}

‎exceptions/exception-types/src/main/java/exception/UncheckedException.java‎

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package exception;
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public class UncheckedException extends RuntimeException {
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public UncheckedException() {
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}
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public UncheckedException(String message) {
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super(message);
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}
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public UncheckedException(String message, Throwable cause) {
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super(message, cause);
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}
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public UncheckedException(Throwable cause) {
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super(cause);
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}
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public UncheckedException(String message, Throwable cause, boolean enableSuppression, boolean writableStackTrace) {
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super(message, cause, enableSuppression, writableStackTrace);
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}
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}

‎exceptions/exception-types/src/main/java/service/Service.java‎

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package service;
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import exception.CheckedException;
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import exception.UncheckedException;
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public class Service {
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public void throwChecked() throws CheckedException {
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throw new CheckedException();
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}
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public void throwUnchecked() {
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throw new UncheckedException();
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}
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}
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‎exceptions/exception-types/src/test/java/service/ServiceTest.java‎

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package service;
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import exception.CheckedException;
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import exception.UncheckedException;
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import org.junit.jupiter.api.Test;
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import static org.junit.jupiter.api.Assertions.*;
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public class ServiceTest {
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private Service service = new Service();
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@Test
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public void shouldThrowCheckedException() {
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assertThrows(CheckedException.class, () -> service.throwChecked());
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}
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@Test
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public void shouldThrowUncheckedException() {
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assertThrows(UncheckedException.class, () -> service.throwUnchecked());
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}
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}
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‎exceptions/exceptions/pom.xml‎

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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>ru.netology</groupId>
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<artifactId>exceptions</artifactId>
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<version>1.0-SNAPSHOT</version>
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<properties>
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<maven.compiler.source>11</maven.compiler.source>
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<maven.compiler.target>11</maven.compiler.target>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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</properties>
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<dependencies>
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<dependency>
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<groupId>org.projectlombok</groupId>
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<artifactId>lombok</artifactId>
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<version>1.18.12</version>
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<scope>provided</scope>
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</dependency>
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<dependency>
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<groupId>org.junit.jupiter</groupId>
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<artifactId>junit-jupiter</artifactId>
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<version>5.4.2</version>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>org.mockito</groupId>
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<artifactId>mockito-junit-jupiter</artifactId>
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<version>3.3.3</version>
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<scope>test</scope>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-surefire-plugin</artifactId>
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<version>2.22.2</version>
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</plugin>
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</plugins>
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</build>
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</project>

‎exceptions/exceptions/src/main/java/ru/netology/Main.java‎

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package ru.netology;
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import ru.netology.domain.PurchaseItem;
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import ru.netology.manager.CartManager;
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import ru.netology.repository.CartRepository;
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public class Main {
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public static void main(String[] args) {
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CartManager manager = new CartManager(new CartRepository());
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manager.add(new PurchaseItem(
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1,
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1,
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"Java Core",
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1000,
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1
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));
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// manager.removeById(2);
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// System.out.println("main done"); // for demo only
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// try {
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// System.out.println("before remove");
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// manager.removeById(2);
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// System.out.println("after remove");
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// } catch (ArrayIndexOutOfBoundsException e) {
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// e.printStackTrace();
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// System.out.println("specific catch");
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// } catch (RuntimeException e) {
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// System.out.println("runtime catch");
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// } catch (Exception e) {
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// System.out.println("catch");
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// } finally {
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// System.out.println("finally");
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// }
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try {
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System.out.println("before remove");
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manager.removeById(2);
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System.out.println("after remove");
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} catch (Throwable e) {
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}
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System.out.println("main done"); // for demo only
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}
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}
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‎exceptions/exceptions/src/main/java/ru/netology/domain/PurchaseItem.java‎

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package ru.netology.domain;
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import lombok.AllArgsConstructor;
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import lombok.Data;
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import lombok.NoArgsConstructor;
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@NoArgsConstructor
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@AllArgsConstructor
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@Data
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public class PurchaseItem {
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private int id;
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private int productId;
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private String productName;
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private int productPrice;
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private int count;
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}

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