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# Mengirim, menerima, dan menghapus Amazon Simple Queue Service pesan
<a name="examples-sqs-messages"></a>

Pesan adalah sepotong data yang dapat dikirim dan diterima oleh komponen terdistribusi. Pesan selalu dikirimkan menggunakan [SQS Queue](examples-sqs-message-queues.md).

`sqsClient`Variabel yang digunakan dalam contoh berikut dapat dibuat dari cuplikan berikut.

```
SqsClient sqsClient = SqsClient.create();
```

Bila Anda membuat `SqsClient` dengan menggunakan `create()` metode statis, SDK akan mengonfigurasi Region menggunakan [rantai penyedia wilayah default dan kredensialnya menggunakan rantai penyedia](region-selection.md#default-region-provider-chain) kredensial [default](credentials-chain.md).

## Kirim pesan
<a name="sqs-message-send"></a>

Tambahkan satu pesan ke Amazon Simple Queue Service antrian dengan memanggil `sendMessage` metode SqsClient klien. Berikan [SendMessageRequest](https://sdk.amazonaws.com/java/api/latest/software/amazon/awssdk/services/sqs/model/SendMessageRequest.html)objek yang berisi [URL](examples-sqs-message-queues.md#sqs-get-queue-url) antrian, isi pesan, dan nilai penundaan opsional (dalam hitungan detik).

 **Impor** 

```
import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.sqs.SqsClient;
import software.amazon.awssdk.services.sqs.model.*;
import java.util.List;
```

 **Kode** 

```
            sqsClient.sendMessage(SendMessageRequest.builder()
                .queueUrl(queueUrl)
                .messageBody("Hello world!")
                .delaySeconds(10)
                .build());

            sqsClient.sendMessage(sendMsgRequest);
```

## Kirim beberapa pesan dalam satu permintaan
<a name="sqs-messages-send-multiple"></a>

Kirim lebih dari satu pesan dalam satu permintaan dengan menggunakan SqsClient `sendMessageBatch` metode ini. Metode ini mengambil [SendMessageBatchRequest](https://sdk.amazonaws.com/java/api/latest/software/amazon/awssdk/services/sqs/model/SendMessageBatchRequest.html)yang berisi URL antrian dan daftar pesan untuk dikirim. (Setiap pesan adalah a [SendMessageBatchRequestEntry](https://sdk.amazonaws.com/java/api/latest/software/amazon/awssdk/services/sqs/model/SendMessageBatchRequestEntry.html).) Anda juga dapat menunda pengiriman pesan tertentu dengan menetapkan nilai penundaan pada pesan.

 **Impor** 

```
import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.sqs.SqsClient;
import software.amazon.awssdk.services.sqs.model.*;
import java.util.List;
```

 **Kode** 

```
            SendMessageBatchRequest sendMessageBatchRequest = SendMessageBatchRequest.builder()
                .queueUrl(queueUrl)
                .entries(SendMessageBatchRequestEntry.builder().id("id1").messageBody("Hello from msg 1").build(),
                        SendMessageBatchRequestEntry.builder().id("id2").messageBody("msg 2").delaySeconds(10).build())
                .build();
            sqsClient.sendMessageBatch(sendMessageBatchRequest);
```

Lihat [sampel lengkapnya](https://github.com/awsdocs/aws-doc-sdk-examples/blob/cf25559da654a7b74bec039c0ab9397dc5951dd4/javav2/example_code/sqs/src/main/java/com/example/sqs/SQSExample.java#L133) di GitHub.

## Ambil Pesan
<a name="sqs-messages-receive"></a>

Ambil pesan apa pun yang saat ini berada dalam antrian dengan memanggil metode. SqsClient `receiveMessage` Metode ini mengambil [ReceiveMessageRequest](https://sdk.amazonaws.com/java/api/latest/software/amazon/awssdk/services/sqs/model/ReceiveMessageRequest.html)yang berisi URL antrian. Anda juga dapat menentukan jumlah maksimum pesan yang akan dikembalikan. Pesan dikembalikan sebagai daftar objek [Pesan](https://sdk.amazonaws.com/java/api/latest/software/amazon/awssdk/services/sqs/model/Message.html).

 **Impor** 

```
import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.sqs.SqsClient;
import software.amazon.awssdk.services.sqs.model.*;
import java.util.List;
```

 **Kode** 

```
        try {
            ReceiveMessageRequest receiveMessageRequest = ReceiveMessageRequest.builder()
                .queueUrl(queueUrl)
                .maxNumberOfMessages(5)
                .build();
            List<Message> messages = sqsClient.receiveMessage(receiveMessageRequest).messages();
            return messages;
        } catch (SqsException e) {
            System.err.println(e.awsErrorDetails().errorMessage());
            System.exit(1);
        }
        return null;
```

Lihat [sampel lengkapnya](https://github.com/awsdocs/aws-doc-sdk-examples/blob/cf25559da654a7b74bec039c0ab9397dc5951dd4/javav2/example_code/sqs/src/main/java/com/example/sqs/SQSExample.java#L148) di GitHub.

## Hapus pesan setelah diterima
<a name="sqs-messages-delete"></a>

Setelah menerima pesan dan memproses isinya, hapus pesan dari antrian dengan mengirimkan alamat tanda terima pesan dan URL antrian ke metode. `SqsClient's` [https://sdk.amazonaws.com/java/api/latest/software/amazon/awssdk/services/sqs/SqsClient.html#deleteMessage(software.amazon.awssdk.services.sqs.model.DeleteMessageRequest)](https://sdk.amazonaws.com/java/api/latest/software/amazon/awssdk/services/sqs/SqsClient.html#deleteMessage(software.amazon.awssdk.services.sqs.model.DeleteMessageRequest))

 **Impor** 

```
import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.sqs.SqsClient;
import software.amazon.awssdk.services.sqs.model.*;
import java.util.List;
```

 **Kode** 

```
        try {
            for (Message message : messages) {
                DeleteMessageRequest deleteMessageRequest = DeleteMessageRequest.builder()
                        .queueUrl(queueUrl)
                        .receiptHandle(message.receiptHandle())
                        .build();
                sqsClient.deleteMessage(deleteMessageRequest);
            }
```

Lihat [sampel lengkapnya](https://github.com/awsdocs/aws-doc-sdk-examples/blob/cf25559da654a7b74bec039c0ab9397dc5951dd4/javav2/example_code/sqs/src/main/java/com/example/sqs/SQSExample.java#L187) di GitHub.

## Info Selengkapnya
<a name="more-info"></a>
+  [Cara Kerja Amazon Simple Queue Service Antrian di Panduan](https://docs.aws.amazon.com/AWSSimpleQueueService/latest/SQSDeveloperGuide/sqs-basic-architecture.html) Pengembang Amazon Simple Queue Service 
+  [SendMessage](https://docs.aws.amazon.com/AWSSimpleQueueService/latest/APIReference/API_SendMessage.html)di Referensi Amazon Simple Queue Service API
+  [SendMessageBatch](https://docs.aws.amazon.com/AWSSimpleQueueService/latest/APIReference/API_SendMessageBatch.html)di Referensi Amazon Simple Queue Service API
+  [ReceiveMessage](https://docs.aws.amazon.com/AWSSimpleQueueService/latest/APIReference/API_ReceiveMessage.html)di Referensi Amazon Simple Queue Service API
+  [DeleteMessage](https://docs.aws.amazon.com/AWSSimpleQueueService/latest/APIReference/API_DeleteMessage.html)di Referensi Amazon Simple Queue Service API