java.lang.Object
- org.instancio.settings.Keys

```
public final class Keys
extends Object
```
Defines all keys supported by Instancio.

Field Summary

Fields
Modifier and Type	Field	Description
`static SettingKey`	`ARRAY_ELEMENTS_NULLABLE`	Specifies whether a `null` can be generated for array elements, default is `false`.
`static SettingKey`	`ARRAY_MAX_LENGTH`	Specifies maximum length for arrays, default is 6.
`static SettingKey`	`ARRAY_MIN_LENGTH`	Specifies minimum length for arrays, default is 2.
`static SettingKey`	`ARRAY_NULLABLE`	Specifies whether a null can be generated for arrays, default is `false`.
`static SettingKey`	`BOOLEAN_NULLABLE`	Specifies whether a `null` can be generated for Boolean type, default is `false`.
`static SettingKey`	`BYTE_MAX`	Specifies maximum value for bytes, default value is 127.
`static SettingKey`	`BYTE_MIN`	Specifies minimum value for bytes, default value is 1.
`static SettingKey`	`BYTE_NULLABLE`	Specifies whether a `null` can be generated for Byte type, default is `false`.
`static SettingKey`	`CHARACTER_NULLABLE`	Specifies whether a `null` can be generated for Character type, default is `false`.
`static SettingKey`	`COLLECTION_ELEMENTS_NULLABLE`	Specifies whether a `null` can be generated for collection elements, default is `false`.
`static SettingKey`	`COLLECTION_MAX_SIZE`	Specifies maximum size for collections, default is 6.
`static SettingKey`	`COLLECTION_MIN_SIZE`	Specifies minimum size for collections, default is 2.
`static SettingKey`	`COLLECTION_NULLABLE`	Specifies whether a `null` can be generated for collections, default is `false`.
`static SettingKey`	`DOUBLE_MAX`	Specifies maximum value for doubles, default value is 10000.
`static SettingKey`	`DOUBLE_MIN`	Specifies minimum value for doubles, default value is 1.0.
`static SettingKey`	`DOUBLE_NULLABLE`	Specifies whether a `null` can be generated for Double type, default is `false`.
`static SettingKey`	`FLOAT_MAX`	Specifies maximum value for floats, default value is 10000.
`static SettingKey`	`FLOAT_MIN`	Specifies minimum value for floats, default value is 1.
`static SettingKey`	`FLOAT_NULLABLE`	Specifies whether a `null` can be generated for Float type, default is `false`.
`static SettingKey`	`INTEGER_MAX`	Specifies maximum value for integers, default value is 10000.
`static SettingKey`	`INTEGER_MIN`	Specifies minimum value for integers, default value is 1.
`static SettingKey`	`INTEGER_NULLABLE`	Specifies whether a `null` can be generated for Integer type, default is `false`.
`static SettingKey`	`LONG_MAX`	Specifies maximum value for longs, default value is 10000.
`static SettingKey`	`LONG_MIN`	Specifies minimum value for longs, default value is 1.
`static SettingKey`	`LONG_NULLABLE`	Specifies whether a `null` can be generated for Long type, default is `false`.
`static SettingKey`	`MAP_KEYS_NULLABLE`	Specifies whether a `null` can be generated for map keys, default is `false`.
`static SettingKey`	`MAP_MAX_SIZE`	Specifies maximum size for maps, default is 6.
`static SettingKey`	`MAP_MIN_SIZE`	Specifies minimum size for maps, default is 2.
`static SettingKey`	`MAP_NULLABLE`	Specifies whether a `null` can be generated for maps, default is `false`.
`static SettingKey`	`MAP_VALUES_NULLABLE`	Specifies whether a `null` can be generated for map values, default is `false`.
`static SettingKey`	`MODE`	Specifies the mode: strict (unused selectors will trigger an exception) or lenient; default is strict.
`static SettingKey`	`SHORT_MAX`	Specifies maximum value for shorts, default value is 10000.
`static SettingKey`	`SHORT_MIN`	Specifies minimum value for shorts, default value is 1.
`static SettingKey`	`SHORT_NULLABLE`	Specifies whether a `null` can be generated for Short type, default is `false`.
`static SettingKey`	`STRING_ALLOW_EMPTY`	Specifies whether an empty string can be generated, default is `false`.
`static SettingKey`	`STRING_MAX_LENGTH`	Specifies maximum length of strings, default is 10.
`static SettingKey`	`STRING_MIN_LENGTH`	Specifies minimum length of strings, default is 3.
`static SettingKey`	`STRING_NULLABLE`	Specifies whether a `null` can be generated for String type, default is `false`.

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static List<SettingKey>`	`all()`	Returns all keys supported by Instancio.
`static SettingKey`	`get(String key)`	Returns a `SettingKey` instance with the given property key.

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

- Field Detail
  - ARRAY_ELEMENTS_NULLABLE
```
public static final SettingKey ARRAY_ELEMENTS_NULLABLE
```
    Specifies whether a null can be generated for array elements, default is false.
  - ARRAY_MAX_LENGTH
```
public static final SettingKey ARRAY_MAX_LENGTH
```
    Specifies maximum length for arrays, default is 6.
  - ARRAY_MIN_LENGTH
```
public static final SettingKey ARRAY_MIN_LENGTH
```
    Specifies minimum length for arrays, default is 2.
  - ARRAY_NULLABLE
```
public static final SettingKey ARRAY_NULLABLE
```
    Specifies whether a null can be generated for arrays, default is false.
  - BOOLEAN_NULLABLE
```
public static final SettingKey BOOLEAN_NULLABLE
```
    Specifies whether a null can be generated for Boolean type, default is false.
  - BYTE_MAX
```
public static final SettingKey BYTE_MAX
```
    Specifies maximum value for bytes, default value is 127.
  - BYTE_MIN
```
public static final SettingKey BYTE_MIN
```
    Specifies minimum value for bytes, default value is 1.
  - BYTE_NULLABLE
```
public static final SettingKey BYTE_NULLABLE
```
    Specifies whether a null can be generated for Byte type, default is false.
  - CHARACTER_NULLABLE
```
public static final SettingKey CHARACTER_NULLABLE
```
    Specifies whether a null can be generated for Character type, default is false.
  - COLLECTION_ELEMENTS_NULLABLE
```
public static final SettingKey COLLECTION_ELEMENTS_NULLABLE
```
    Specifies whether a null can be generated for collection elements, default is false.
  - COLLECTION_MAX_SIZE
```
public static final SettingKey COLLECTION_MAX_SIZE
```
    Specifies maximum size for collections, default is 6.
  - COLLECTION_MIN_SIZE
```
public static final SettingKey COLLECTION_MIN_SIZE
```
    Specifies minimum size for collections, default is 2.
  - COLLECTION_NULLABLE
```
public static final SettingKey COLLECTION_NULLABLE
```
    Specifies whether a null can be generated for collections, default is false.
  - DOUBLE_MAX
```
public static final SettingKey DOUBLE_MAX
```
    Specifies maximum value for doubles, default value is 10000.
  - DOUBLE_MIN
```
public static final SettingKey DOUBLE_MIN
```
    Specifies minimum value for doubles, default value is 1.0.
  - DOUBLE_NULLABLE
```
public static final SettingKey DOUBLE_NULLABLE
```
    Specifies whether a null can be generated for Double type, default is false.
  - FLOAT_MAX
```
public static final SettingKey FLOAT_MAX
```
    Specifies maximum value for floats, default value is 10000.
  - FLOAT_MIN
```
public static final SettingKey FLOAT_MIN
```
    Specifies minimum value for floats, default value is 1.
  - FLOAT_NULLABLE
```
public static final SettingKey FLOAT_NULLABLE
```
    Specifies whether a null can be generated for Float type, default is false.
  - INTEGER_MAX
```
public static final SettingKey INTEGER_MAX
```
    Specifies maximum value for integers, default value is 10000.
  - INTEGER_MIN
```
public static final SettingKey INTEGER_MIN
```
    Specifies minimum value for integers, default value is 1.
  - INTEGER_NULLABLE
```
public static final SettingKey INTEGER_NULLABLE
```
    Specifies whether a null can be generated for Integer type, default is false.
  - LONG_MAX
```
public static final SettingKey LONG_MAX
```
    Specifies maximum value for longs, default value is 10000.
  - LONG_MIN
```
public static final SettingKey LONG_MIN
```
    Specifies minimum value for longs, default value is 1.
  - LONG_NULLABLE
```
public static final SettingKey LONG_NULLABLE
```
    Specifies whether a null can be generated for Long type, default is false.
  - MAP_KEYS_NULLABLE
```
public static final SettingKey MAP_KEYS_NULLABLE
```
    Specifies whether a null can be generated for map keys, default is false.
  - MAP_MAX_SIZE
```
public static final SettingKey MAP_MAX_SIZE
```
    Specifies maximum size for maps, default is 6.
  - MAP_MIN_SIZE
```
public static final SettingKey MAP_MIN_SIZE
```
    Specifies minimum size for maps, default is 2.
  - MAP_NULLABLE
```
public static final SettingKey MAP_NULLABLE
```
    Specifies whether a null can be generated for maps, default is false.
  - MAP_VALUES_NULLABLE
```
public static final SettingKey MAP_VALUES_NULLABLE
```
    Specifies whether a null can be generated for map values, default is false.
  - MODE
```
public static final SettingKey MODE
```
    Specifies the mode: strict (unused selectors will trigger an exception) or lenient; default is strict.
    
    Since:
    
    1.3.3
  - SHORT_MAX
```
public static final SettingKey SHORT_MAX
```
    Specifies maximum value for shorts, default value is 10000.
  - SHORT_MIN
```
public static final SettingKey SHORT_MIN
```
    Specifies minimum value for shorts, default value is 1.
  - SHORT_NULLABLE
```
public static final SettingKey SHORT_NULLABLE
```
    Specifies whether a null can be generated for Short type, default is false.
  - STRING_ALLOW_EMPTY
```
public static final SettingKey STRING_ALLOW_EMPTY
```
    Specifies whether an empty string can be generated, default is false.
  - STRING_MAX_LENGTH
```
public static final SettingKey STRING_MAX_LENGTH
```
    Specifies maximum length of strings, default is 10.
  - STRING_MIN_LENGTH
```
public static final SettingKey STRING_MIN_LENGTH
```
    Specifies minimum length of strings, default is 3.
  - STRING_NULLABLE
```
public static final SettingKey STRING_NULLABLE
```
    Specifies whether a null can be generated for String type, default is false.
- Method Detail
  - all
```
public static List<SettingKey> all()
```
    Returns all keys supported by Instancio.
    
    Returns:
    
    all keys
  - get
```
public static SettingKey get(String key)
```
    Returns a SettingKey instance with the given property key.
    
    Parameters:
    
    key - to lookup
    
    Returns:
    
    the setting key; an exception is thrown if the key is not found

Class Keys

Field Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

ARRAY_ELEMENTS_NULLABLE

ARRAY_MAX_LENGTH

ARRAY_MIN_LENGTH

ARRAY_NULLABLE

BOOLEAN_NULLABLE

BYTE_MAX

BYTE_MIN

BYTE_NULLABLE

CHARACTER_NULLABLE

COLLECTION_ELEMENTS_NULLABLE

COLLECTION_MAX_SIZE

COLLECTION_MIN_SIZE

COLLECTION_NULLABLE

DOUBLE_MAX

DOUBLE_MIN

DOUBLE_NULLABLE

FLOAT_MAX

FLOAT_MIN

FLOAT_NULLABLE

INTEGER_MAX

INTEGER_MIN

INTEGER_NULLABLE

LONG_MAX

LONG_MIN

LONG_NULLABLE

MAP_KEYS_NULLABLE

MAP_MAX_SIZE

MAP_MIN_SIZE

MAP_NULLABLE

MAP_VALUES_NULLABLE

MODE

SHORT_MAX

SHORT_MIN

SHORT_NULLABLE

STRING_ALLOW_EMPTY

STRING_MAX_LENGTH

STRING_MIN_LENGTH

STRING_NULLABLE

Method Detail

all

get