---
metadata:
  - name: generator
    content: Diplodoc Platform v5.52.0
alternate:
  - https://catboost.ai/docs/en/concepts/java-reference_catboostpredictions__copyobjectpredictions.md
  - href: en/concepts/java-reference_catboostpredictions__copyobjectpredictions.md
    type: text/markdown
    title: Markdown version
  - href: ../llms.txt
    type: text/markdown
    title: llms.txt
---
> **Documentation Index:** Fetch the complete configuration index at https://catboost.ai/docs/en/llms.txt

# copyObjectPredictions

The CatBoost Java package provides several methods for copying predictions to different types of arrays.

## Separate array {#separate-array}

```java
public double[] copyObjectPredictions(int objectIndex)
```

#### Purpose

<!-- source: en/_includes/work_src/reusage-java/java-reference_catboostpredictions__copyobjectpredictionsobjectindex__desc.md -->
Copy the prediction for the specified object to a separate array.
<!-- endsource: en/_includes/work_src/reusage-java/java-reference_catboostpredictions__copyobjectpredictionsobjectindex__desc.md -->


#### Parameters

**objectIndex**

The index of the object.


## Specified array {#specified-array}

```java
public void copyObjectPredictions(int objectIndex,
                                  double[] predictions)
```

#### Purpose

<!-- source: en/_includes/work_src/reusage-java/java-reference_catboostpredictions__copyobjectpredictionsobjectindexpredictions__desc.md -->
Copy the prediction for the specified object to the specified array.
<!-- endsource: en/_includes/work_src/reusage-java/java-reference_catboostpredictions__copyobjectpredictionsobjectindexpredictions__desc.md -->


#### Parameters

**objectIndex**

The index of the object.

**predictions**

The array to copy predictions to.