feat: initial commit. some work have already been done tho.

.gitignore

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+target/
+!.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**/target/
+!**/src/test/**/target/
+
+### IntelliJ IDEA ###
+.idea/modules.xml
+.idea/jarRepositories.xml
+.idea/compiler.xml
+.idea/libraries/
+*.iws
+*.iml
+*.ipr
+
+### Eclipse ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+build/
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### VS Code ###
+.vscode/
+
+### Mac OS ###
+.DS_Store
+
+.idea

pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>ua.com.dxrkness</groupId>
+    <artifactId>aws-example</artifactId>
+    <version>1.0-SNAPSHOT</version>
+
+    <properties>
+        <maven.compiler.source>23</maven.compiler.source>
+        <maven.compiler.target>23</maven.compiler.target>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>software.amazon.awssdk</groupId>
+            <artifactId>s3</artifactId>
+            <version>2.25.27</version>
+        </dependency>
+    </dependencies>
+
+</project>

src/main/java/ua/com/dxrkness/Main.java

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+package ua.com.dxrkness;
+
+import software.amazon.awssdk.regions.Region;
+import software.amazon.awssdk.services.s3.S3Client;
+
+import java.io.IOException;
+
+public class Main {
+    public static void main(String[] args) throws IOException {
+
+        final var s3 = S3Client.builder()
+                .region(Region.EU_CENTRAL_1)
+                .build();
+        try (s3) {
+            s3.listBuckets().buckets().forEach(System.out::println);
+        }
+    }
+}

src/main/java/ua/com/dxrkness/S3Service.java

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+package ua.com.dxrkness;
+
+import software.amazon.awssdk.services.s3.S3Client;
+import software.amazon.awssdk.services.s3.model.S3Object;
+
+import java.nio.file.Path;
+import java.util.List;
+
+public class S3Service {
+    private final S3Client client;
+    private final String bucketName;
+
+    public S3Service(S3Client client, String bucketName) {
+        this.client = client;
+        this.bucketName = bucketName;
+    }
+
+    public void createDirectory(Path path) {
+        throw new UnsupportedOperationException();
+    }
+
+    public Boolean delete(Path path) {
+        return client
+                .deleteObject(b -> b.bucket(bucketName).key(path.toString()).build())
+                .deleteMarker();
+    }
+
+    public List<S3Object> listing(Path path) {
+        return client
+                .listObjectsV2(b -> b.bucket(bucketName).build())
+                .contents();
+    }
+
+    public void uploadFile(Path path) {
+        throw new UnsupportedOperationException();
+    }
+
+    public String downloadFile(Path path) {
+        throw new UnsupportedOperationException();
+    }
+}