Nullable (POI API Documentation)

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java.lang.Object
- org.apache.poi.openxml4j.util.Nullable<E>

public final class Nullable<E>
extends java.lang.Object

An immutable object that could be defined as null.

Constructor Summary

Constructors
Constructor and Description

Nullable()
Constructor.

Nullable(E value)
Constructor.

Method Summary

Methods
Modifier and Type	Method and Description
`E`	`getValue()` Get the store value if any.
`boolean`	`hasValue()` Get the status of this nullable.
`void`	`nullify()` Set the stored value to null.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - Nullable
```
public Nullable()
```
    Constructor.
  - Nullable
```
public Nullable(E value)
```
    Constructor.
    
    Parameters:
    value - The value to set to this nullable.
- Method Detail
  - getValue
```
public E getValue()
```
    Get the store value if any.
    
    Returns:
    the store value
  - hasValue
```
public boolean hasValue()
```
    Get the status of this nullable.
    
    Returns:
    true if the nullable store a value (empty string is considered to be a value) else false.
  nullify
  
  public void nullify()
  
  Set the stored value to null.

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