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✨ 添加 Lombok 示例
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‎codes/javalib/pom.xml‎

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<?xml version="1.0"?>
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<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"
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xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
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<modelVersion>4.0.0</modelVersion>
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<!-- [Part 1] BASIC SETTINGS BEGIN -->
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<!-- MAVEN COORDINATE BEGIN -->
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<groupId>io.github.dunwu</groupId>
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<artifactId>javalib</artifactId>
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<version>1.0.0</version>
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<packaging>jar</packaging>
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<!-- MAVEN COORDINATE END -->
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<!-- RELATIONSHIP SETTINGS BEGIN -->
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<dependencies>
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<!-- bean start -->
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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>1.16.8</version>
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</dependency>
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<!-- bean end -->
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<!-- log start -->
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<dependency>
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<groupId>ch.qos.logback</groupId>
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<artifactId>logback-core</artifactId>
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<version>1.2.3</version>
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</dependency>
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<dependency>
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<groupId>ch.qos.logback</groupId>
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<artifactId>logback-classic</artifactId>
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<version>1.2.3</version>
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</dependency>
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<dependency>
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<groupId>ch.qos.logback</groupId>
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<artifactId>logback-access</artifactId>
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<version>1.2.3</version>
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</dependency>
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<!-- log end -->
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<dependency>
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<groupId>junit</groupId>
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<artifactId>junit</artifactId>
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<version>4.12</version>
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<scope>test</scope>
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</dependency>
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</dependencies>
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<!-- RELATIONSHIP SETTINGS END -->
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<!-- PROPERTIES BEGIN -->
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<properties>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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<java.version>1.8</java.version>
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<maven.compiler.source>${java.version}</maven.compiler.source>
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<maven.compiler.target>${java.version}</maven.compiler.target>
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</properties>
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<!-- PROPERTIES END -->
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<!-- [Part 1] BASIC SETTINGS END -->
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<!-- [Part 2] BUILD SETTINGS BEGIN -->
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<build>
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<resources>
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<resource>
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<filtering>true</filtering>
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<directory>src/main/resources</directory>
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<includes>
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<include>logback.xml</include>
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</includes>
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<!--<targetPath>/abc</targetPath>-->
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</resource>
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</resources>
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</build>
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<!-- [Part 2] BUILD SETTINGS END -->
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<!-- [Part 3] PROJECT INFO BEGIN -->
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<name>${project.artifactId}</name>
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<description>Java 库使用示例</description>
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<!-- [Part 3] PROJECT INFO END -->
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</project>

‎codes/javalib/src/main/java/io/github/dunwu/javalib/bean/Company.java‎

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package io.github.dunwu.javalib.bean;
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import java.util.List;
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import lombok.Data;
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/**
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* Lombok 示例
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* @see http://jnb.ociweb.com/jnb/jnbJan2010.html
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* @author Zhang Peng
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*/
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@Data(staticConstructor = "of")
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public class Company {
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private final Person founder;
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private String name;
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protected List<Person> employees;
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}

‎codes/javalib/src/main/java/io/github/dunwu/javalib/bean/Employee.java‎

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package io.github.dunwu.javalib.bean;
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import lombok.AccessLevel;
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import lombok.Getter;
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import lombok.Setter;
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/**
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* Lombok 示例
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* @see http://jnb.ociweb.com/jnb/jnbJan2010.html
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* @author Zhang Peng
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*/
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public class Employee {
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@Getter
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@Setter
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private boolean employed = true;
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@Setter(AccessLevel.PROTECTED)
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private String name;
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}

‎codes/javalib/src/main/java/io/github/dunwu/javalib/bean/Person.java‎

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package io.github.dunwu.javalib.bean;
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import lombok.Data;
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import lombok.ToString;
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/**
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* Lombok 示例
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* @see http://jnb.ociweb.com/jnb/jnbJan2010.html
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* @author Zhang Peng
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*/
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@Data
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@ToString(exclude = "age")
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public class Person {
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private String name;
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private Integer age;
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private String sex;
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}

‎codes/javalib/src/main/resources/logback.xml‎

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<?xml version="1.0" encoding="UTF-8" ?>
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<!-- logback中一共有5种有效级别，分别是TRACE、DEBUG、INFO、WARN、ERROR，优先级依次从低到高 -->
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<configuration scan="true" scanPeriod="60 seconds" debug="false">
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<property name="FILE_NAME" value="javalib"/>
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<!-- 将记录日志打印到控制台 -->
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<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
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<encoder>
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<pattern>%d{HH:mm:ss.SSS} [%thread] [%-5p] %c{36}.%M - %m%n</pattern>
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</encoder>
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</appender>
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<!-- RollingFileAppender begin -->
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<appender name="ALL" class="ch.qos.logback.core.rolling.RollingFileAppender">
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<!-- 根据时间来制定滚动策略 -->
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<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
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<fileNamePattern>${user.dir}/logs/${FILE_NAME}-all.%d{yyyy-MM-dd}.log</fileNamePattern>
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<maxHistory>30</maxHistory>
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</rollingPolicy>
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<!-- 根据文件大小来制定滚动策略 -->
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<triggeringPolicy class="ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy">
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<maxFileSize>30MB</maxFileSize>
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</triggeringPolicy>
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<encoder>
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<pattern>%d{HH:mm:ss.SSS} [%thread] [%-5p] %c{36}.%M - %m%n</pattern>
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</encoder>
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</appender>
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<!-- RollingFileAppender end -->
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<!-- logger begin -->
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<!-- 本项目的日志记录，分级打印 -->
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<logger name="io.github.dunwu.javatool" level="TRACE">
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<appender-ref ref="ALL"/>
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</logger>
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<root level="TRACE">
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<appender-ref ref="STDOUT"/>
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</root>
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<!-- logger end -->
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</configuration>

‎codes/javalib/src/test/java/io/github/dunwu/javalib/bean/LombokTest.java‎

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package io.github.dunwu.javalib.bean;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.List;
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import org.junit.Test;
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import lombok.Cleanup;
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/**
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* Lombok 单元测试
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* @see @see http://jnb.ociweb.com/jnb/jnbJan2010.html
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* @author Zhang Peng
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*/
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public class LombokTest {
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@Test
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public void testGetterAndSetter() {
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Employee employee = new Employee();
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}
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@Test
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public void testData() {
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Person huangshiren = new Person();
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huangshiren.setName("黄世仁");
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huangshiren.setAge(30);
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huangshiren.setSex("男");
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Person yangbailao = new Person();
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yangbailao.setName("杨白劳");
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yangbailao.setAge(50);
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yangbailao.setSex("男");
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Person xiaobaicai = new Person();
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xiaobaicai.setName("小白菜");
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xiaobaicai.setAge(20);
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xiaobaicai.setSex("女");
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List<Person> personList = new ArrayList<>();
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personList.add(yangbailao);
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personList.add(xiaobaicai);
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Company company = Company.of(huangshiren);
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company.setName("黑心农产品公司");
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company.setEmployees(personList);
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System.out.println("公司名：" + company.getName());
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System.out.println("创始人：" + company.getFounder());
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System.out.println("员工信息");
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company.getEmployees().forEach(person -> {
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System.out.println(person.toString());
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});
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}
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@Test
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public void testCleanUp() {
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try {
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@Cleanup
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ByteArrayOutputStream baos = new ByteArrayOutputStream();
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baos.write(new byte[] { 'Y', 'e', 's' });
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System.out.println(baos.toString());
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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@Test
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public void testToString() {
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Person person = new Person();
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person.setName("张三");
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person.setAge(20);
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person.setSex("男");
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System.out.println(person.toString());
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// output: Person(name=张三, sex=男)
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}
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}

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