public static void describeDymamoDBTable(DynamoDbClient ddb,String tableName ) {

​

        DescribeTableRequest request = DescribeTableRequest.builder()

                .tableName(tableName)

                .build();

​

        try {

            TableDescription tableInfo =

                    ddb.describeTable(request).table();

​

            if (tableInfo != null) {

                System.out.format("Table name  : %s\n",

                        tableInfo.tableName());

                System.out.format("Table ARN   : %s\n",

                        tableInfo.tableArn());

                System.out.format("Status      : %s\n",

                        tableInfo.tableStatus());

                System.out.format("Item count  : %d\n",

                        tableInfo.itemCount().longValue());

                System.out.format("Size (bytes): %d\n",

                        tableInfo.tableSizeBytes().longValue());

​

                ProvisionedThroughputDescription throughputInfo =

                        tableInfo.provisionedThroughput();

                System.out.println("Throughput");

                System.out.format("  Read Capacity : %d\n",

                        throughputInfo.readCapacityUnits().longValue());

                System.out.format("  Write Capacity: %d\n",

                        throughputInfo.writeCapacityUnits().longValue());

​

                List<AttributeDefinition> attributes =

                        tableInfo.attributeDefinitions();

                System.out.println("Attributes");

​

                for (AttributeDefinition a : attributes) {

                    System.out.format("  %s (%s)\n",

                            a.attributeName(), a.attributeType());

                }

            }

        } catch (DynamoDbException e) {

            System.err.println(e.getMessage());

            System.exit(1);

        }

        System.out.println("\nDone!");

    }