Getting ready

First, we add our dependencies:

        <dependency>            <groupId>javax.validation</groupId>            <artifactId>validation-api</artifactId>            <version>2.0.0.Final</version>        </dependency>        <dependency>            <groupId>org.hibernate.validator</groupId>            <artifactId>hibernate-validator</artifactId>            <version>6.0.1.Final</version>        </dependency>         <dependency>            <groupId>javax</groupId>            <artifactId>javaee-web-api</artifactId>            <version>7.0</version>            <scope>provided</scope>        </dependency>

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