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Sweep 06 Nov 2026 · 01:32Z Build v2.1.319 537 read Stable v2.1.311 Latest v2.1.319 Next v2.1.319 Feeds RSS JSON llms.txt llms-full.txt Unofficial
HomeDocsClaude Developer Platform 22 Sep 2026
One change · api

java changedcli-sdks-libraries/sdks/java

Nearest release: v2.1.280, published under an hour before this site recorded the change. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.

Recorded here
Lines+12added
Lines−12removed
From line 15 where the diff opens
First seen 14 Aug 2026 this site's first read of the page
Recorded edits35to this page, all time

The whole hunk

from line 15, old and new numbered
/
lines
from line 15
1515<Tabs>
1616 <Tab title="Gradle">
1717 ```kotlin
18 implementation("com.anthropic:anthropic-java:2.63.0")
18 implementation("com.anthropic:anthropic-java:2.65.0")
1919 ```
2020 </Tab>
2121 
from line 24
2424 <dependency>
2525 <groupId>com.anthropic</groupId>
2626 <artifactId>anthropic-java</artifactId>
27 <version>2.63.0</version>
27 <version>2.65.0</version>
2828 </dependency>
2929 ```
3030 </Tab>
from line 54
5454MessageCreateParams params = MessageCreateParams.builder()
5555 .maxTokens(1024L)
5656 .addUserMessage("Hello, Claude")
57 .model(Model.CLAUDE_OPUS_5)
57 .model(Model.CLAUDE_OPUS_5_5)
5858 .build();
5959 
6060Message message = client.messages().create(params);
from line 146
146146MessageCreateParams params = MessageCreateParams.builder()
147147 .maxTokens(1024L)
148148 .addUserMessage("Hello, Claude")
149 .model(Model.CLAUDE_OPUS_5)
149 .model(Model.CLAUDE_OPUS_5_5)
150150 .build();
151151 
152152CompletableFuture<Message> message = client.async().messages().create(params);
from line 166
166166MessageCreateParams params = MessageCreateParams.builder()
167167 .maxTokens(1024L)
168168 .addUserMessage("Hello, Claude")
169 .model(Model.CLAUDE_OPUS_5)
169 .model(Model.CLAUDE_OPUS_5_5)
170170 .build();
171171 
172172CompletableFuture<Message> message = client.messages().create(params);
from line 394
394394AnthropicClient client = AnthropicOkHttpClient.fromEnv();
395395 
396396MessageCreateParams.Builder createParamsBuilder = MessageCreateParams.builder()
397 .model(Model.CLAUDE_OPUS_5)
397 .model(Model.CLAUDE_OPUS_5_5)
398398 .maxTokens(2048)
399399 .addTool(GetWeather.class)
400400 .addUserMessage("What's the temperature in New York?");
from line 440
440440 
441441```java
442442MessageCreateParams.Builder createParamsBuilder = MessageCreateParams.builder()
443 .model(Model.CLAUDE_OPUS_5)
443 .model(Model.CLAUDE_OPUS_5_5)
444444 .maxTokens(2048)
445445 .addTool(GetWeather.class, JsonSchemaLocalValidation.NO)
446446 .addUserMessage("What's the temperature in New York?");
from line 799
799799MessageCreateParams params = MessageCreateParams.builder()
800800 .maxTokens(1024L)
801801 .addUserMessage("Hello, Claude")
802 .model(Model.CLAUDE_OPUS_5)
802 .model(Model.CLAUDE_OPUS_5_5)
803803 .build();
804804 
805805// Create a modified copy using toBuilder()
from line 861
861861MessageCreateParams params = MessageCreateParams.builder()
862862 .maxTokens(JsonValue.from(3.14))
863863 .addUserMessage("Hello, Claude")
864 .model(Model.CLAUDE_OPUS_5)
864 .model(Model.CLAUDE_OPUS_5_5)
865865 .build();
866866```
867867 
from line 903
903903 
904904MessageCreateParams params = MessageCreateParams.builder()
905905 .addUserMessage("Hello, world")
906 .model(Model.CLAUDE_OPUS_5)
906 .model(Model.CLAUDE_OPUS_5_5)
907907 .maxTokens(JsonMissing.of())
908908 .build();
909909```
from line 1102
11021102MessageCreateParams params = MessageCreateParams.builder()
11031103 .maxTokens(1024L)
11041104 .addUserMessage("Hello, Claude")
1105 .model(Model.CLAUDE_OPUS_5)
1105 .model(Model.CLAUDE_OPUS_5_5)
11061106 .build();
11071107 
11081108HttpResponseFor<Message> message = client.messages().withRawResponse().create(params);
from line 1212
12121212 
12131213 BetaMessage message = client.beta().messages().create(
12141214 MessageCreateParams.builder()
1215 .model(Model.CLAUDE_OPUS_5)
1215 .model(Model.CLAUDE_OPUS_5_5)
12161216 .maxTokens(1024L)
12171217 .addBeta(AnthropicBeta.CONTEXT_MANAGEMENT_2025_06_27)
12181218 .addUserMessage("Hello, Claude")
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