@俊尧 胡 Welcome to Microsoft Q&A Forum, Thank you for posting your query here!
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The Bot Framework JavaScript, C#, and Python SDKs will continue to be supported, however, the Java SDK is being retired with final long-term support ending in November 2023.
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Existing bots built with the Java SDK will continue to function.
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For new bot building, consider using Power Virtual Agents and read about choosing the right chatbot solution.
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However, I am still sending you the JAVA sample code for the Azure Bot is available here:
https://github.com/microsoft/botbuilder-samples?tab=readme-ov-file#bot-essentials
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For other alternative languages like Python, C#, JavaScript, TypeScript the sample codes are available here:
https://github.com/microsoft/BotBuilder-Samples/tree/main/samples
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Hope this helps. If you have any follow-up questions, please let me know. I would be happy to help.
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