Java implementation steps to access etcd through certificate

openssl pkcs8 -topk8 -nocrypt -in  -out 

./etcd --name infra0   --cert-file=/root/ --key-file=/root/   --advertise-client-urls=https://0.0.0.0:2379 --listen-client-urls=https://0.0.0.0:2379

./etcdctl --cacert=/root/ --cert=/root/ --key=/root/ --endpoints="https://10.180.23.10:2379" get Elon

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="/POM/4.0.0"
         xmlns:xsi="http:///2001/XMLSchema-instance"
         xsi:schemaLocation="/POM/4.0.0 /xsd/maven-4.0.">
    <modelVersion>4.0.0</modelVersion>

    <groupId></groupId>
    <artifactId>springbootetcd3</artifactId>
    <version>1.0-SNAPSHOT</version>

    <properties>
        <>8</>
        <>8</>
    </properties>

    <parent>
        <groupId></groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.6.6</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>

    <dependencies>


        <dependency>
            <groupId></groupId>
            <artifactId>jetcd-core</artifactId>
            <version>0.7.7</version>
        </dependency>

        <!-- /artifact//jetcd-core -->
<!--        <dependency>
            <groupId></groupId>
            <artifactId>jetcd-core</artifactId>
            <version>0.0.2</version>
        </dependency>-->



        <!--                <dependency>
                            <groupId></groupId>
                            <artifactId>jetcd-core</artifactId>
                            <version>0.5.0</version>
                        </dependency>-->

<!--        <dependency>
            <groupId></groupId>
            <artifactId>grpc-netty-shaded</artifactId>
            <version>1.50.0</version>
        </dependency>-->

        <!-- /artifact//netty-all -->
        <dependency>
            <groupId></groupId>
            <artifactId>netty-all</artifactId>
            <version>4.1.</version>
        </dependency>

        <!-- /artifact//netty-tcnative -->
        <dependency>
            <groupId></groupId>
            <artifactId>netty-tcnative</artifactId>
            <version>2.0.</version>
        </dependency>

        <!-- /artifact//netty-tcnative-boringssl-static -->
        <dependency>
            <groupId></groupId>
            <artifactId>netty-tcnative-boringssl-static</artifactId>
            <version>2.0.</version>
        </dependency>




        <dependency>
            <groupId></groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>



    </dependencies>

</project>

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public class EtcdExample {
    public static void main(String[] args) throws IOException, ExecutionException, InterruptedException {

        File cert = new File("d:\\");
        File keyCertChainFile = new File("d:\\");
        File keyFile = new File("d:\\");
        SslContext context = ()
                .trustManager(cert)
                .keyManager(keyCertChainFile, keyFile)
                .build();
        Client client = ()
                .endpoints(":2379")
                .sslContext(context)
                .build();

        ByteSequence key = ("Elon".getBytes());
        ByteSequence value = ("Musk".getBytes());
        // put the key-value
        ().put(key,value).get();
        ("ok");

    }
}