JSONArray

java.lang.Object
- com.fr.json.JSONArray

所有已实现的接口:

JSONExpandable<java.lang.Object>, Copyable, java.io.Serializable, java.lang.Iterable<java.lang.Object>
```
public class JSONArray
extends java.lang.Object
implements JSONExpandable<java.lang.Object>, Copyable
```
版本:

10.0 Created by richie on 2019-01-02

作者:

richie

另请参阅:
序列化表格

构造器概要

构造器
构造器和说明
`JSONArray()` Create an empty instance
`JSONArray(java.util.Collection collection)`
`JSONArray(java.util.List list)` Create an instance from a List.
`JSONArray(java.lang.Object array)`
`JSONArray(java.lang.String json)` Create an instance from a String of JSON

方法概要

方法
限定符和类型	方法和说明
`JSONArray`	`add(boolean value)` Add a boolean to the JSON array.
`JSONArray`	`add(java.lang.Boolean value)` Add a Boolean to the JSON array.
`JSONArray`	`add(byte[] value)` Add a binary value to the JSON array.
`JSONArray`	`add(java.lang.CharSequence value)` Add a CharSequence to the JSON array.
`JSONArray`	`add(java.util.Date value)`
`JSONArray`	`add(double value)` Add a double to the JSON array.
`JSONArray`	`add(java.lang.Double value)` Add a Double to the JSON array.
`JSONArray`	`add(java.lang.Enum value)` Add an enum to the JSON array.
`JSONArray`	`add(float value)` Add a float to the JSON array.
`JSONArray`	`add(java.lang.Float value)` Add a Float to the JSON array.
`JSONArray`	`add(java.lang.Integer value)` Add an Integer to the JSON array.
`JSONArray`	`add(JSONArray value)` Add another JSON array to the JSON array.
`JSONArray`	`add(JSONObject value)` Add a JSON object to the JSON array.
`JSONArray`	`add(long value)` Add a long to the JSON array.
`JSONArray`	`add(java.lang.Long value)` Add a Long to the JSON array.
`JSONArray`	`add(java.lang.Object value)` Add an Object to the JSON array.
`JSONArray`	`add(java.lang.String value)` Add a String to the JSON array.
`JSONArray`	`addAll(JSONArray array)` Appends all of the elements in the specified array to the end of this JSON array.
`JSONArray`	`addNull()` Add a null value to the JSON array.
`JSONArray`	`cjkEncode()`
`JSONArray`	`clear()` Remove all entries from the JSON array
`boolean`	`contains(java.lang.Object value)` Does the JSON array contain the specified value?
`JSONArray`	`copy()` Make a copy of the JSON array
`static JSONArray`	`create()`
`static JSONArray`	`create(java.util.Collection collection)`
`static JSONArray`	`create(java.util.Map<java.lang.String,java.lang.Object> map)`
`java.lang.String`	`encode()` Encode the JSON array to a string
`java.lang.String`	`encodePrettily()` Encode the JSON array prettily as a string
`boolean`	`equals(java.lang.Object o)`
`java.lang.Object`	`get(int index)`
`byte[]`	`getBinary(int pos)` Get the byte[] at position `pos` in the array.
`boolean`	`getBoolean(int index)`
`double`	`getDouble(int index)`
`float`	`getFloat(int index)`
`java.util.Date`	`getInstant(int pos)` 获取时间
`int`	`getInt(int index)`
`JSONArray`	`getJSONArray(int pos)` Get the JsonArray at position `pos` in the array.
`JSONObject`	`getJSONObject(int pos)` Get the JsonObject at position `pos` in the array.
`java.util.List`	`getList()` Get the unerlying List
`long`	`getLong(int index)`
`java.lang.Double`	`getNumberOfDouble(int pos)` Get the Double at position `pos` in the array,
`java.lang.Float`	`getNumberOfFloat(int pos)` Get the Float at position `pos` in the array,
`java.lang.Integer`	`getNumberOfInteger(int pos)` Get the Integer at position `pos` in the array,
`java.lang.Long`	`getNumberOfLong(int pos)` Get the Long at position `pos` in the array,
`java.lang.Boolean`	`getObjectBoolean(int pos)` Get the Boolean at position `pos` in the array,
`java.lang.String`	`getString(int pos)` Get the String at position `pos` in the array,
`java.lang.Object`	`getValue(int pos)` Get the Object value at position `pos` in the array.
`int`	`hashCode()`
`boolean`	`hasNull(int pos)` Is there a null value at position pos?
`boolean`	`isEmpty()` Are there zero items in this JSON array?
`java.util.Iterator<java.lang.Object>`	`iterator()` Get an Iterator over the values in the JSON array
`int`	`length()`
`java.lang.Object`	`opt(int index)`
`boolean`	`optBoolean(int index)`
`boolean`	`optBoolean(int index, boolean defaultValue)`
`double`	`optDouble(int index)`
`double`	`optDouble(int index, double defaultValue)`
`int`	`optInt(int index)`
`int`	`optInt(int index, int defaultValue)`
`JSONArray`	`optJSONArray(int index)`
`JSONObject`	`optJSONObject(int index)`
`long`	`optLong(int index)`
`long`	`optLong(int index, long defaultValue)`
`java.lang.String`	`optString(int index)`
`java.lang.String`	`optString(int index, java.lang.String defaultValue)`
`JSONArray`	`put(boolean value)`
`JSONArray`	`put(java.util.Collection value)`
`JSONArray`	`put(double value)`
`JSONArray`	`put(int value)`
`JSONArray`	`put(int index, boolean value)`
`JSONArray`	`put(int index, java.util.Collection value)`
`JSONArray`	`put(int index, double value)`
`JSONArray`	`put(int index, int value)`
`JSONArray`	`put(int index, long value)`
`JSONArray`	`put(int index, java.util.Map<java.lang.String,java.lang.Object> value)`
`JSONArray`	`put(int index, java.lang.Object value)`
`JSONArray`	`put(long value)`
`JSONArray`	`put(java.util.Map<java.lang.String,java.lang.Object> value)`
`JSONArray`	`put(java.lang.Object value)`
`java.lang.Object`	`remove(int pos)` Remove the value at the specified position in the JSON array.
`boolean`	`remove(java.lang.Object value)` Remove the specified value from the JSON array.
`int`	`size()` Get the number of values in this JSON array
`java.util.List<java.lang.Object>`	`toRecurseList()` 递归输出JSON数组所有的元素以及子元素，如果子元素是集合，也把集合元素拆分后塞进输出结果
`java.util.List<java.lang.Object>`	`toSimpleRecurseList()` 递归输出JSON数组的所有元素以及子元素，当子元素也是JSON数组的时候，会把JSON数组再次拆分然后把元素塞进输出结果
`java.lang.String`	`toString()`
`java.util.List<?>`	`toUnmodifiableList()` 将JSON数组转化为一个不可修改的链表

从类继承的方法 java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

- 构造器详细资料
  - JSONArray
```
public JSONArray(java.lang.String json)
```
    Create an instance from a String of JSON
    
    参数:
    json - the string of JSON
  - JSONArray
```
public JSONArray()
```
    Create an empty instance
  - JSONArray
```
public JSONArray(java.util.List list)
```
    Create an instance from a List. The List is not copied.
    
    参数:
    list -
  - JSONArray
```
public JSONArray(java.util.Collection collection)
```
  - JSONArray
```
public JSONArray(java.lang.Object array)
          throws JSONException
```
    抛出:
    
    JSONException
- 方法详细资料
  - create
```
public static JSONArray create()
```
  - create
```
public static JSONArray create(java.util.Map<java.lang.String,java.lang.Object> map)
```
  - create
```
public static JSONArray create(java.util.Collection collection)
```
  - getString
```
public java.lang.String getString(int pos)
```
    Get the String at position pos in the array,
    
    参数:
    pos - the position in the array
    
    返回:
    the String, or null if a null value present
    
    抛出:
    
    java.lang.ClassCastException - if the value cannot be converted to String
  - getNumberOfInteger
```
public java.lang.Integer getNumberOfInteger(int pos)
```
    Get the Integer at position pos in the array,
    
    参数:
    pos - the position in the array
    
    返回:
    the Integer, or null if a null value present
  - getNumberOfLong
```
public java.lang.Long getNumberOfLong(int pos)
```
    Get the Long at position pos in the array,
    
    参数:
    pos - the position in the array
    
    返回:
    the Long, or null if a null value present
  - getNumberOfDouble
```
public java.lang.Double getNumberOfDouble(int pos)
```
    Get the Double at position pos in the array,
    
    参数:
    pos - the position in the array
    
    返回:
    the Double, or null if a null value present
  - getNumberOfFloat
```
public java.lang.Float getNumberOfFloat(int pos)
```
    Get the Float at position pos in the array,
    
    参数:
    pos - the position in the array
    
    返回:
    the Float, or null if a null value present
  - getObjectBoolean
```
public java.lang.Boolean getObjectBoolean(int pos)
```
    Get the Boolean at position pos in the array,
    
    参数:
    pos - the position in the array
    
    返回:
    the Boolean, or null if a null value present
  - getJSONObject
```
public JSONObject getJSONObject(int pos)
```
    Get the JsonObject at position pos in the array.
    
    参数:
    pos - the position in the array
    
    返回:
    the JsonObject, or null if a null value present
    
    抛出:
    
    java.lang.ClassCastException - if the value cannot be converted to JsonObject
  - getJSONArray
```
public JSONArray getJSONArray(int pos)
```
    Get the JsonArray at position pos in the array.
    
    参数:
    pos - the position in the array
    
    返回:
    the Integer, or null if a null value present
    
    抛出:
    
    java.lang.ClassCastException - if the value cannot be converted to JsonArray
  - getBinary
```
public byte[] getBinary(int pos)
```
    Get the byte[] at position pos in the array.
    JSON itself has no notion of a binary, so this method assumes there is a String value and it contains a Base64 encoded binary, which it decodes if found and returns.
    This method should be used in conjunction with add(byte[])
    
    参数:
    pos - the position in the array
    
    返回:
    the byte[], or null if a null value present
    
    抛出:
    
    java.lang.ClassCastException - if the value cannot be converted to String
    
    java.lang.IllegalArgumentException - if the String value is not a legal Base64 encoded value
  - getInstant
```
public java.util.Date getInstant(int pos)
```
    获取时间
    
    参数:
    pos - 索引
    
    返回:
    时间或者null
  - getValue
```
public java.lang.Object getValue(int pos)
```
    Get the Object value at position pos in the array.
    
    参数:
    pos - the position in the array
    
    返回:
    the Integer, or null if a null value present
  - hasNull
```
public boolean hasNull(int pos)
```
    Is there a null value at position pos?
    
    参数:
    pos - the position in the array
    
    返回:
    true if null value present, false otherwise
  - add
```
public JSONArray add(java.lang.Enum value)
```
    Add an enum to the JSON array.
    JSON has no concept of encoding Enums, so the Enum will be converted to a String using the Enum.name() method and the value added as a String.
    
    参数:
    value - the value
    
    返回:
    a reference to this, so the API can be used fluently
  - add
```
public JSONArray add(java.lang.CharSequence value)
```
    Add a CharSequence to the JSON array.
    
    参数:
    value - the value
    
    返回:
    a reference to this, so the API can be used fluently
  - add
```
public JSONArray add(java.lang.String value)
```
    Add a String to the JSON array.
    
    参数:
    value - the value
    
    返回:
    a reference to this, so the API can be used fluently
  - add
```
public JSONArray add(java.lang.Integer value)
```
    Add an Integer to the JSON array.
    
    参数:
    value - the value
    
    返回:
    a reference to this, so the API can be used fluently
  - add
```
public JSONArray add(java.lang.Long value)
```
    Add a Long to the JSON array.
    
    参数:
    value - the value
    
    返回:
    a reference to this, so the API can be used fluently
  - add
```
public JSONArray add(long value)
```
    Add a long to the JSON array.
    
    参数:
    value - the value
    
    返回:
    a reference to this, so the API can be used fluently
  - add
```
public JSONArray add(java.lang.Double value)
```
    Add a Double to the JSON array.
    
    参数:
    value - the value
    
    返回:
    a reference to this, so the API can be used fluently
  - add
```
public JSONArray add(double value)
```
    Add a double to the JSON array.
    
    参数:
    value - the value
    
    返回:
    a reference to this, so the API can be used fluently
  - add
```
public JSONArray add(java.lang.Float value)
```
    Add a Float to the JSON array.
    
    参数:
    value - the value
    
    返回:
    a reference to this, so the API can be used fluently
  - add
```
public JSONArray add(float value)
```
    Add a float to the JSON array.
    
    参数:
    value - the value
    
    返回:
    a reference to this, so the API can be used fluently
  - add
```
public JSONArray add(java.lang.Boolean value)
```
    Add a Boolean to the JSON array.
    
    参数:
    value - the value
    
    返回:
    a reference to this, so the API can be used fluently
  - add
```
public JSONArray add(boolean value)
```
    Add a boolean to the JSON array.
    
    参数:
    value - the value
    
    返回:
    a reference to this, so the API can be used fluently
  - addNull
```
public JSONArray addNull()
```
    Add a null value to the JSON array.
    
    返回:
    a reference to this, so the API can be used fluently
  - add
```
public JSONArray add(JSONObject value)
```
    Add a JSON object to the JSON array.
    
    参数:
    value - the value
    
    返回:
    a reference to this, so the API can be used fluently
  - add
```
public JSONArray add(JSONArray value)
```
    Add another JSON array to the JSON array.
    
    参数:
    value - the value
    
    返回:
    a reference to this, so the API can be used fluently
  - add
```
public JSONArray add(byte[] value)
```
    Add a binary value to the JSON array.
    JSON has no notion of binary so the binary will be base64 encoded to a String, and the String added.
    
    参数:
    value - the value
    
    返回:
    a reference to this, so the API can be used fluently
  - add
```
public JSONArray add(java.util.Date value)
```
  - add
```
public JSONArray add(java.lang.Object value)
```
    Add an Object to the JSON array.
    
    参数:
    value - the value
    
    返回:
    a reference to this, so the API can be used fluently
  - addAll
```
public JSONArray addAll(JSONArray array)
```
    Appends all of the elements in the specified array to the end of this JSON array.
    
    参数:
    array - the array
    
    返回:
    a reference to this, so the API can be used fluently
  - contains
```
public boolean contains(java.lang.Object value)
```
    Does the JSON array contain the specified value? This method will scan the entire array until it finds a value or reaches the end.
    
    参数:
    value - the value
    
    返回:
    true if it contains the value, false if not
  - remove
```
public boolean remove(java.lang.Object value)
```
    Remove the specified value from the JSON array. This method will scan the entire array until it finds a value or reaches the end.
    
    参数:
    value - the value to remove
    
    返回:
    true if it removed it, false if not found
  - remove
```
public java.lang.Object remove(int pos)
```
    Remove the value at the specified position in the JSON array.
    
    参数:
    pos - the position to remove the value at
    
    返回:
    the removed value if removed, null otherwise. If the value is a Map, a JSONObject is built from this Map and returned. It the value is a List, a JSONArray is built form this List and returned.
  - size
```
public int size()
```
    Get the number of values in this JSON array
    
    返回:
    the number of items
  - isEmpty
```
public boolean isEmpty()
```
    Are there zero items in this JSON array?
    
    返回:
    true if zero, false otherwise
  - getList
```
public java.util.List getList()
```
    Get the unerlying List
    
    返回:
    the underlying List
  - clear
```
public JSONArray clear()
```
    Remove all entries from the JSON array
    
    返回:
    a reference to this, so the API can be used fluently
  - iterator
```
public java.util.Iterator<java.lang.Object> iterator()
```
    Get an Iterator over the values in the JSON array
    
    指定者:
    
    iterator 在接口中 java.lang.Iterable<java.lang.Object>
    
    返回:
    an iterator
  - encode
```
public java.lang.String encode()
```
    Encode the JSON array to a string
    
    返回:
    the string encoding
  - encodePrettily
```
public java.lang.String encodePrettily()
```
    Encode the JSON array prettily as a string
    
    返回:
    the string encoding
  - copy
```
public JSONArray copy()
```
    Make a copy of the JSON array
    
    指定者:
    
    copy 在接口中 Copyable
    
    返回:
    a copy
  - toString
```
public java.lang.String toString()
```
    覆盖:
    
    toString 在类中 java.lang.Object
  - equals
```
public boolean equals(java.lang.Object o)
```
    覆盖:
    
    equals 在类中 java.lang.Object
  - hashCode
```
public int hashCode()
```
    覆盖:
    
    hashCode 在类中 java.lang.Object
  - length
```
public int length()
```
  - get
```
public java.lang.Object get(int index)
                     throws JSONException
```
    抛出:
    
    JSONException
  - getBoolean
```
public boolean getBoolean(int index)
                   throws JSONException
```
    抛出:
    
    JSONException
  - getInt
```
public int getInt(int index)
           throws JSONException
```
    抛出:
    
    JSONException
  - getLong
```
public long getLong(int index)
             throws JSONException
```
    抛出:
    
    JSONException
  - getFloat
```
public float getFloat(int index)
               throws JSONException
```
    抛出:
    
    JSONException
  - getDouble
```
public double getDouble(int index)
                 throws JSONException
```
    抛出:
    
    JSONException
  - opt
```
public java.lang.Object opt(int index)
```
  - optString
```
public java.lang.String optString(int index)
```
  - optString
```
public java.lang.String optString(int index,
                         java.lang.String defaultValue)
```
  - optInt
```
public int optInt(int index)
```
  - optInt
```
public int optInt(int index,
         int defaultValue)
```
  - optLong
```
public long optLong(int index)
```
  - optLong
```
public long optLong(int index,
           long defaultValue)
```
  - optDouble
```
public double optDouble(int index)
```
  - optDouble
```
public double optDouble(int index,
               double defaultValue)
```
  - optBoolean
```
public boolean optBoolean(int index)
```
  - optBoolean
```
public boolean optBoolean(int index,
                 boolean defaultValue)
```
  - optJSONObject
```
public JSONObject optJSONObject(int index)
```
  - optJSONArray
```
public JSONArray optJSONArray(int index)
```
  - put
```
public JSONArray put(java.lang.Object value)
```
  - put
```
public JSONArray put(boolean value)
```
  - put
```
public JSONArray put(java.util.Collection value)
```
  - put
```
public JSONArray put(double value)
              throws JSONException
```
    抛出:
    
    JSONException
  - put
```
public JSONArray put(int value)
```
  - put
```
public JSONArray put(long value)
```
  - put
```
public JSONArray put(java.util.Map<java.lang.String,java.lang.Object> value)
```
  - put
```
public JSONArray put(int index,
            java.lang.Object value)
              throws JSONException
```
    抛出:
    
    JSONException
  - put
```
public JSONArray put(int index,
            boolean value)
              throws JSONException
```
    抛出:
    
    JSONException
  - put
```
public JSONArray put(int index,
            java.util.Collection value)
              throws JSONException
```
    抛出:
    
    JSONException
  - put
```
public JSONArray put(int index,
            double value)
              throws JSONException
```
    抛出:
    
    JSONException
  - put
```
public JSONArray put(int index,
            int value)
              throws JSONException
```
    抛出:
    
    JSONException
  - put
```
public JSONArray put(int index,
            long value)
              throws JSONException
```
    抛出:
    
    JSONException
  - put
```
public JSONArray put(int index,
            java.util.Map<java.lang.String,java.lang.Object> value)
              throws JSONException
```
    抛出:
    
    JSONException
  - cjkEncode
```
public JSONArray cjkEncode()
```
  - toUnmodifiableList
```
public java.util.List<?> toUnmodifiableList()
```
    将JSON数组转化为一个不可修改的链表
    
    返回:
    不可修改的链表
  - toSimpleRecurseList
```
public java.util.List<java.lang.Object> toSimpleRecurseList()
```
    递归输出JSON数组的所有元素以及子元素，当子元素也是JSON数组的时候，会把JSON数组再次拆分然后把元素塞进输出结果
    
    返回:
    所有的子元素
  - toRecurseList
```
public java.util.List<java.lang.Object> toRecurseList()
```
    递归输出JSON数组所有的元素以及子元素，如果子元素是集合，也把集合元素拆分后塞进输出结果
    
    返回:
    所有子元素组成的集合

类 JSONArray

构造器概要

方法概要

从类继承的方法 java.lang.Object

构造器详细资料

JSONArray

JSONArray

JSONArray

JSONArray

JSONArray

方法详细资料

create

create

create

getString

getNumberOfInteger

getNumberOfLong

getNumberOfDouble

getNumberOfFloat

getObjectBoolean

getJSONObject

getJSONArray

getBinary

getInstant

getValue

hasNull

add

add

add

add

add

add

add

add

add

add

add

add

addNull

add

add

add

add

add

addAll

contains

remove

remove

size

isEmpty

getList

clear

iterator

encode

encodePrettily

copy

toString

equals

hashCode

length

get

getBoolean

getInt

getLong

getFloat

getDouble

opt

optString

optString

optInt

optInt

optLong

optLong

optDouble

optDouble

optBoolean

optBoolean

optJSONObject

optJSONArray

put