boolean[] boolArray = new boolean[]{true,false,true};

JSONArray jsonArray = JSONArray.fromObject( boolArray );

System.out.println( jsonArray );

// prints [true,false,true]

List list = new ArrayList();

list.add( "first" );

list.add( "second" );

JSONArray jsonArray = JSONArray.fromObject( list );

System.out.println( jsonArray );

// prints ["first","second"]

JSONArray jsonArray = JSONArray.fromObject( "['json','is','easy']" );

System.out.println( jsonArray );

// prints ["json","is","easy"]

Map map = new HashMap();

map.put( "name", "json" );

map.put( "bool", Boolean.TRUE );

map.put( "int", new Integer(1) );

map.put( "arr", new String[]{"a","b"} );

map.put( "func", "function(i){ return this.arr[i]; }" );  

JSONObject jsonObject = JSONObject.fromObject( map );

System.out.println( jsonObject );

// prints ["name":"json","bool":true,"int":1,"arr":["a","b"],"func":function(i){ return this.arr[i]; }]  

class MyBean{

   private String name = "json";

   private int pojoId = 1;

   private char[] options = new char[]{'a','f'};

   private String func1 = "function(i){ return this.options[i]; }";

   private JSONFunction func2 = new JSONFunction(new String[]{"i"},"return this.options[i];");  

   // getters & setters

   ...

}  

JSONObject jsonObject = JSONObject.fromObject( new MyBean() );

System.out.println( jsonObject );

/* prints

  {"name":"json","pojoId":1,"options":["a","f"],

  "func1":function(i){ return this.options[i];},

  "func2":function(i){ return this.options[i];}}

*/

String json = "{name=\"json\",bool:true,int:1,double:2.2,func:function(a){ return a; },array:[1,2]}";

JSONObject jsonObject = JSONObject.fromObject( json );

Object bean = JSONObject.toBean( jsonObject );

assertEquals( jsonObject.get( "name" ), PropertyUtils.getProperty( bean, "name" ) );

assertEquals( jsonObject.get( "bool" ), PropertyUtils.getProperty( bean, "bool" ) );

assertEquals( jsonObject.get( "int" ), PropertyUtils.getProperty( bean, "int" ) );

assertEquals( jsonObject.get( "double" ), PropertyUtils.getProperty( bean, "double" ) );

assertEquals( jsonObject.get( "func" ), PropertyUtils.getProperty( bean, "func" ) );

List expected = JSONArray.toList( jsonObject.getJSONArray( "array" ) );

Assertions.assertListEquals( expected, (List) PropertyUtils.getProperty( bean, "array" ) );

String json = "{bool:true,integer:1,string:\"json\"}";

JSONObject jsonObject = JSONObject.fromObject( json );

BeanA bean = (BeanA) JSONObject.toBean( jsonObject, BeanA.class );

assertEquals( jsonObject.get( "bool" ), Boolean.valueOf( bean.isBool() ) );

assertEquals( jsonObject.get( "integer" ), new Integer( bean.getInteger() ) );

assertEquals( jsonObject.get( "string" ), bean.getString() );

JSONObject json = JSONObject.fromObject("{\"name\":\"json\",\"bool\":true,\"int\":1}");

String xml = XMLSerializer.write( json );

JSONArray json = (JSONArray) XMLSerializer.read( xml );

System.out.println( json );

// prints [function(i,j){ return matrix[i][j]; }]