这篇文章主要介绍“JAVA中常用的类库整理”,在日常操作中,相信很多人在JAVA中常用的类库整理问题上存在疑惑,小编查阅了各式资料,整理出简单好用的操作方法,希望对大家解答”JAVA中常用的类库整理”的疑惑有所帮助!接下来,请跟着小编一起来学习吧!
JAVA类库整理
标签(空格分隔): 技术栈
[toc]
commons-codec
加解密功能封装 例:
<dependency>
<groupId>commons-codec</groupId>
<artifactId>commons-codec</artifactId>
<version>1.12</version>
</dependency>
/*
* MD5加密
*/
DigestUtils.md5Hex("123456")
commons-lang3
工具类封装 例:
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-lang3</artifactId>
<version>3.9</version>
</dependency>
public static void main(String[] args) {
System.out.println(StringUtils.isEmpty(null));
System.out.println(StringUtils.isEmpty(""));
System.out.println(ObjectUtils.anyNotNull(null, null));
System.out.println(ObjectUtils.anyNotNull(11, null));
System.out.println(RandomUtils.nextBoolean());
System.out.println(RandomUtils.nextBoolean());
System.out.println(SystemUtils.JAVA_HOME);
}
commons-io
IO工具封装(FileUtils、IOUtils等) 例:
<dependency>
<groupId>commons-io</groupId>
<artifactId>commons-io</artifactId>
<version>2.6</version>
</dependency>
commons-collections4
集合功能封装 例:
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-collections4</artifactId>
<version>4.0</version>
</dependency>
commons-pool
<dependency>
<groupId>commons-pool</groupId>
<artifactId>commons-pool</artifactId>
<version>1.6</version>
</dependency>
commons-beanutils
Apache开源组织提供的用于操作JAVA BEAN的工具包
<dependency>
<groupId>commons-beanutils</groupId>
<artifactId>commons-beanutils</artifactId>
<version>1.9.3</version>
</dependency>
pagehelper
MyBatis 分页插件
<dependency>
<groupId>com.github.pagehelper</groupId>
<artifactId>pagehelper</artifactId>
<version>4.1.6</version>
</dependency>
java-jwt
<dependency>
<groupId>com.auth0</groupId>
<artifactId>java-jwt</artifactId>
<version>3.8.1</version>
</dependency>
reflections
<dependency>
<groupId>org.reflections</groupId>
<artifactId>reflections</artifactId>
<version>0.9.10</version>
</dependency>
hutool-all
<dependency>
<groupId>cn.hutool</groupId>
<artifactId>hutool-all</artifactId>
<version>4.6.1</version>
</dependency>
hibernate-validator
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-validator</artifactId>
<version>6.0.17.Final</version>
</dependency>
metrics 监控
<dependency>
<groupId>io.dropwizard.metrics</groupId>
<artifactId>metrics-core</artifactId>
<version>${metrics.version}</version>
</dependency>
Lombok
Lombok能以简单的注解形式来简化java代码,提高开发人员的开发效率
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>1.16.20</version>
<scope>provided</scope>
</dependency>
注解:
@Data
Spring-Boot-Starter-Slf4j
减少编写日志的组件
<dependency>
<groupId>wiki.xsx</groupId>
<artifactId>spring-boot-starter-slf4j</artifactId>
<version>RELEASE</version>
</dependency>
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