在处理AmazonDynamoDBLockClient的心跳线程收到中断的情况时，您可以使用以下代码示例来解决问题：

import com.amazonaws.services.dynamodbv2.AmazonDynamoDB;
import com.amazonaws.services.dynamodbv2.AmazonDynamoDBClientBuilder;
import com.amazonaws.services.dynamodbv2.model.*;
import com.amazonaws.services.dynamodbv2.util.TableUtils;
import com.amazonaws.services.dynamodbv2.util.TableUtils.TableNeverTransitionedToStateException;
import com.amazonaws.services.dynamodbv2.util.TableUtils.TableNeverTransitionedToStateException;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.TimeUnit;

public class DynamoDBLockClientExample {

    private static final String LOCK_TABLE_NAME = "LockTable";
    private static final String LOCK_PARTITION_KEY = "LockId";
    private static final String LOCK_SORT_KEY = "SortKey";

    private static final String CLIENT_ID = "MyClientId";
    private static final long LEASE_DURATION = 10; // seconds

    public static void main(String[] args) {
        // Create an Amazon DynamoDB client
        AmazonDynamoDB dynamoDBClient = AmazonDynamoDBClientBuilder.standard().build();

        // Create a lock table if it doesn't exist
        createLockTable(dynamoDBClient);

        // Create a lock client
        AmazonDynamoDBLockClient lockClient = new AmazonDynamoDBLockClient(dynamoDBClient, LOCK_TABLE_NAME);

        // Create a lock item
        LockItem lockItem = new LockItem(LOCK_PARTITION_KEY, LOCK_SORT_KEY);

        // Acquire the lock
        try {
            lockClient.acquireLock(lockItem, CLIENT_ID, LEASE_DURATION);
            System.out.println("Lock acquired successfully");
        } catch (LockNotGrantedException e) {
            System.out.println("Failed to acquire lock");
            e.printStackTrace();
        }

        // Start a heartbeat thread to renew the lock lease
        ExecutorService executorService = Executors.newSingleThreadExecutor();
        executorService.execute(() -> {
            while (!Thread.currentThread().isInterrupted()) {
                try {
                    // Renew the lock lease
                    boolean leaseRenewed = lockClient.renewLock(lockItem, CLIENT_ID, LEASE_DURATION);
                    if (leaseRenewed) {
                        System.out.println("Lock lease renewed successfully");
                        Thread.sleep(LEASE_DURATION * 1000 / 2); // sleep for half of the lease duration
                    }
                } catch (InterruptedException e) {
                    // Handle the InterruptedException by breaking out of the loop
                    System.out.println("Heartbeat thread interrupted");
                    break;
                }
            }
        });

        // Wait for a while
        try {
            Thread.sleep(30000); // sleep for 30 seconds
        } catch (InterruptedException e) {
            e.printStackTrace();
        }

        // Stop the heartbeat thread
        executorService.shutdownNow();

        // Release the lock
        try {
            lockClient.releaseLock(lockItem, CLIENT_ID);
            System.out.println("Lock released successfully");
        } catch (LockNotGrantedException e) {
            System.out.println("Failed to release lock");
            e.printStackTrace();
        }
    }

    private static void createLockTable(AmazonDynamoDB dynamoDBClient) {
        CreateTableRequest createTableRequest = new CreateTableRequest()
                .withTableName(LOCK_TABLE_NAME)
                .withAttributeDefinitions(
                        new AttributeDefinition(LOCK_PARTITION_KEY, ScalarAttributeType.S),
                        new AttributeDefinition(LOCK_SORT_KEY, ScalarAttributeType.S))
                .withKeySchema(
                        new KeySchemaElement(LOCK_PARTITION_KEY, KeyType.HASH),
                        new KeySchemaElement(LOCK_SORT_KEY, KeyType.RANGE))
                .withProvisionedThroughput(new ProvisionedThroughput(1L, 1L));

        try {
            // Create the table if it doesn't exist
            TableUtils.createTableIfNotExists(dynamoDBClient, createTableRequest);
            // Wait for the table to become active
            TableUtils.waitUntilActive(dynamoDBClient, LOCK_TABLE_NAME);
        } catch (TableNeverTransitionedToStateException | InterruptedException e) {
            e.printStackTrace();
        }
    }
}

上面的示例代码演示了如何使用Amazon DynamoDB Lock Client库来获取和释放锁，以及如何实现一个心跳线程来续租锁的租约。在主方法中，我们创建了一个AmazonDynamoDB客户端并使用它来创建一个锁定表。然后，我们使用AmazonDynamoDBLockClient来获取和释放锁，并启动一个心跳线程