feat(methods): add blocks.validate example

methods/README.md

@@ -16,6 +16,10 @@ $ mvn compile exec:java -Dexec.mainClass=chat.ChatPostMessage  # Make the reques
 
 ## What's on call
 
+### blocks
+
+- **[blocks.validate](https://docs.slack.dev/reference/methods/blocks.validate)**: Validates blocks, messages, and views Block Kit JSON payloads. [Implementation](./src/main/java/blocks/BlocksValidate.java).
+
 ### chat
 
 - **[chat.postMessage](https://docs.slack.dev/reference/methods/chat.postmessage)**: Sends a message to a channel. [Implementation](./src/main/java/chat/ChatPostMessage.java).

methods/src/main/java/blocks/BlocksValidate.java

@@ -0,0 +1,29 @@
+package blocks;
+
+import static com.slack.api.model.block.Blocks.section;
+import static com.slack.api.model.block.composition.BlockCompositions.plainText;
+
+import com.slack.api.Slack;
+import com.slack.api.methods.MethodsClient;
+import com.slack.api.methods.SlackApiException;
+import com.slack.api.methods.request.blocks.BlocksValidateRequest;
+import com.slack.api.methods.response.blocks.BlocksValidateResponse;
+import java.io.IOException;
+import java.util.Arrays;
+
+public class BlocksValidate {
+
+    public static void main(String[] args) throws IOException, SlackApiException {
+        // Initialize
+        MethodsClient methods = Slack.getInstance().methods();
+
+        // Call the blocks.validate method
+        BlocksValidateRequest request = BlocksValidateRequest.builder()
+                .blocks(Arrays.asList(section(s -> s.text(plainText("Hello world")))))
+                .build();
+        BlocksValidateResponse response = methods.blocksValidate(request);
+
+        // Inspect the response
+        System.out.println(response);
+    }
+}

methods/src/main/java/blocks/manifest.json

@@ -0,0 +1,16 @@
+{
+  "display_information": {
+    "name": "Slack API Methods",
+    "description": "Example implementations to call \"blocks\" methods"
+  },
+  "oauth_config": {
+    "scopes": {
+      "bot": []
+    }
+  },
+  "settings": {
+    "org_deploy_enabled": true,
+    "socket_mode_enabled": false,
+    "token_rotation_enabled": false
+  }
+}