> ## Documentation Index
> Fetch the complete documentation index at: https://cdktn.io/docs/llms.txt
> Use this file to discover all available pages before exploring further.
# Java: ComplexObject
> CDKTN Core API Reference for ComplexObject in Java.
* *Implements:* IInterpolatingParent, IResolvable, ITerraformAddressable
## Initializers
```java theme={null}
import io.cdktn.cdktn.ComplexObject;
new ComplexObject(IInterpolatingParent terraformResource, java.lang.String terraformAttribute, java.lang.Boolean complexObjectIsFromSet);,new ComplexObject(IInterpolatingParent terraformResource, java.lang.String terraformAttribute, java.lang.Boolean complexObjectIsFromSet, java.lang.String|java.lang.Number complexObjectIndex);
```
| **Name** | **Type** | **Description** |
| ------------------------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------- |
| terraformResource | IInterpolatingParent | *No description.* |
| terraformAttribute | java.lang.String | *No description.* |
| complexObjectIsFromSet | java.lang.Boolean | set to true if this item is from inside a set and needs tolist() for accessing it set to "0" for single list items. |
| complexObjectIndex | java.lang.String\|java.lang.Number | the index of the complex object in a list. |
***
### `terraformResource`Required
* *Type:* IInterpolatingParent
***
### `terraformAttribute`Required
* *Type:* java.lang.String
***
### `complexObjectIsFromSet`Required
* *Type:* java.lang.Boolean
set to true if this item is from inside a set and needs tolist() for accessing it set to "0" for single list items.
***
### `complexObjectIndex`Optional
* *Type:* java.lang.String|java.lang.Number
the index of the complex object in a list.
***
## Methods
| **Name** | **Description** |
| --------------------------------------------------------------------------------------------------- | --------------------------------------------------------- |
| computeFqn | *No description.* |
| getAnyMapAttribute | *No description.* |
| getBooleanAttribute | *No description.* |
| getBooleanMapAttribute | *No description.* |
| getListAttribute | *No description.* |
| getNumberAttribute | *No description.* |
| getNumberListAttribute | *No description.* |
| getNumberMapAttribute | *No description.* |
| getStringAttribute | *No description.* |
| getStringMapAttribute | *No description.* |
| interpolationForAttribute | *No description.* |
| resolve | Produce the Token's value at resolution time. |
| toString | Return a string representation of this resolvable object. |
***
### `computeFqn`
```java theme={null}
public java.lang.String computeFqn()
```
### `getAnyMapAttribute`
```java theme={null}
public java.util.Map getAnyMapAttribute(java.lang.String terraformAttribute)
```
#### `terraformAttribute`Required
* *Type:* java.lang.String
***
### `getBooleanAttribute`
```java theme={null}
public IResolvable getBooleanAttribute(java.lang.String terraformAttribute)
```
#### `terraformAttribute`Required
* *Type:* java.lang.String
***
### `getBooleanMapAttribute`
```java theme={null}
public java.util.Map getBooleanMapAttribute(java.lang.String terraformAttribute)
```
#### `terraformAttribute`Required
* *Type:* java.lang.String
***
### `getListAttribute`
```java theme={null}
public java.util.List getListAttribute(java.lang.String terraformAttribute)
```
#### `terraformAttribute`Required
* *Type:* java.lang.String
***
### `getNumberAttribute`
```java theme={null}
public java.lang.Number getNumberAttribute(java.lang.String terraformAttribute)
```
#### `terraformAttribute`Required
* *Type:* java.lang.String
***
### `getNumberListAttribute`
```java theme={null}
public java.util.List getNumberListAttribute(java.lang.String terraformAttribute)
```
#### `terraformAttribute`Required
* *Type:* java.lang.String
***
### `getNumberMapAttribute`
```java theme={null}
public java.util.Map getNumberMapAttribute(java.lang.String terraformAttribute)
```
#### `terraformAttribute`Required
* *Type:* java.lang.String
***
### `getStringAttribute`
```java theme={null}
public java.lang.String getStringAttribute(java.lang.String terraformAttribute)
```
#### `terraformAttribute`Required
* *Type:* java.lang.String
***
### `getStringMapAttribute`
```java theme={null}
public java.util.Map getStringMapAttribute(java.lang.String terraformAttribute)
```
#### `terraformAttribute`Required
* *Type:* java.lang.String
***
### `interpolationForAttribute`
```java theme={null}
public IResolvable interpolationForAttribute(java.lang.String property)
```
#### `property`Required
* *Type:* java.lang.String
***
### `resolve`
```java theme={null}
public java.lang.Object resolve(IResolveContext _context)
```
Produce the Token's value at resolution time.
#### `_context`Required
* *Type:* IResolveContext
***
### `toString`
```java theme={null}
public java.lang.String toString()
```
Return a string representation of this resolvable object.
Returns a reversible string representation.
## Properties
| **Name** | **Type** | **Description** |
| ------------------------------------------------------------------------------------ | ------------------------------------------------ | ------------------------------------------------------------------------------------------------ |
| creationStack | java.util.List\< java.lang.String > | The creation stack of this resolvable which will be appended to errors thrown during resolution. |
| fqn | java.lang.String | *No description.* |
***
### `creationStack`Required
```java theme={null}
public java.util.List getCreationStack();
```
* *Type:* java.util.List\< java.lang.String >
The creation stack of this resolvable which will be appended to errors thrown during resolution.
If this returns an empty array the stack will not be attached.
***
### `fqn`Required
```java theme={null}
public java.lang.String getFqn();
```
* *Type:* java.lang.String
***