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## org.apache.commons.jexl3.internal
Class ArrayBuilder

    java.lang.Object
      org.apache.commons.jexl3.internal.ArrayBuilder

All Implemented Interfaces:
  JexlArithmetic.ArrayBuilder

    public class ArrayBuilder

extends Object
implements JexlArithmetic.ArrayBuilder

Helper class to create typed arrays.

Field Summary
`protected int` | `added` Number of added items.
`protected Class<?>` | `commonClass` The intended class array.
`protected boolean` | `isNumber` Whether the array stores numbers.
`protected boolean` | `unboxing` Whether we can try unboxing.
`protected Object[]` | `untyped` The untyped list of items being added.

Constructor Summary
`ArrayBuilder(int size)` Creates a new builder.

Method Summary
`void` | `add(Object value)` Adds a literal to the array.
`Object` | `create(boolean extended)` Creates the actual "array" instance.
`protected static Class<?>` | `unboxingClass(Class<?> parm)` Gets the primitive type of a given class (when it exists).

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

Field Detail

### commonClass

    protected Class<?> commonClass

  The intended class array.

### isNumber

    protected boolean isNumber

  Whether the array stores numbers.

### unboxing

    protected boolean unboxing

  Whether we can try unboxing.

### untyped

    protected final Object[] untyped

  The untyped list of items being added.

### added

    protected int added

  Number of added items.

Constructor Detail

### ArrayBuilder

    public ArrayBuilder(int size)

  Creates a new builder.

  Parameters:
    `size` - the exact array size

Method Detail

### unboxingClass

    protected static Class<?> unboxingClass(Class<?> parm)

  Gets the primitive type of a given class (when it exists).

  Parameters:
    `parm` - a class
  Returns:
    the primitive type or null it the argument is not unboxable

### add

    public void add(Object value)

  Description copied from interface: `JexlArithmetic.ArrayBuilder`
  Adds a literal to the array.

  Specified by:
    `add` in interface `JexlArithmetic.ArrayBuilder`
  Parameters:
    `value` - the item to add

### create

    public Object create(boolean extended)

  Description copied from interface: `JexlArithmetic.ArrayBuilder`
  Creates the actual "array" instance.

  Specified by:
    `create` in interface `JexlArithmetic.ArrayBuilder`
  Parameters:
    `extended` - true when the last argument is ', ...'
  Returns:
    the array

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