amithkoujalgi 0aeabcc963
Refactor error handling and update tests
Refactored error handling in OllamaChatEndpointCaller by extracting status code checks into a helper method. Improved logging for image loading errors in OllamaChatRequestBuilder. Updated integration and unit tests to relax assertions and clarify comments. Minor documentation formatting fixes and Makefile improvement for reproducible npm installs.
2025-09-18 01:50:23 +05:30

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---
sidebar_position: 2
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import CodeEmbed from '@site/src/components/CodeEmbed';
import TypewriterTextarea from '@site/src/components/TypewriterTextarea';
# Generate
This API lets you ask questions to the LLMs in a synchronous way.
This API corresponds to
the [completion](https://github.com/jmorganca/ollama/blob/main/docs/api.md#generate-a-completion) API.
Use the `OptionBuilder` to build the `Options` object
with [extra parameters](https://github.com/jmorganca/ollama/blob/main/docs/modelfile.md#valid-parameters-and-values).
Refer
to [this](/apis-extras/options-builder).
### Try asking a question about the model
<CodeEmbed src="https://raw.githubusercontent.com/ollama4j/ollama4j-examples/refs/heads/main/src/main/java/io/github/ollama4j/examples/Generate.java" />
You will get a response similar to:
:::tip[LLM Response]
I am a model of an AI trained by Mistral AI. I was designed to assist with a wide range of tasks, from answering
questions to helping with complex computations and research. How can I help you toda
:::
### Try asking a question, receiving the answer streamed
<CodeEmbed src="https://raw.githubusercontent.com/ollama4j/ollama4j-examples/refs/heads/main/src/main/java/io/github/ollama4j/examples/GenerateStreaming.java" />
You will get a response similar to:
<TypewriterTextarea
textContent='The capital of France is Paris.'
typingSpeed={30}
pauseBetweenSentences={1200}
height='55px'
width='100%'
/>
## Generate structured output
### With response as a `Map`
<CodeEmbed src="https://raw.githubusercontent.com/ollama4j/ollama4j-examples/refs/heads/main/src/main/java/io/github/ollama4j/examples/GenerateStructuredOutput.java" />
You will get a response similar to:
:::tip[LLM Response]
```json
{
"heroName" : "Batman",
"ageOfPerson" : 30
}
```
:::
### With response mapped to specified class type
<CodeEmbed src="https://raw.githubusercontent.com/ollama4j/ollama4j-examples/refs/heads/main/src/main/java/io/github/ollama4j/examples/GenerateStructuredOutputMappedToObject.java" />
:::tip[LLM Response]
HeroInfo(heroName=Batman, ageOfPerson=30)
:::