Gson

地址：http://code.google.com/p/google-gson/

 

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import com.google.gson.Gson;   public class ArrayToJson {     public static void main(String[] args) {         int[] numbers = {1, 1, 2, 3, 5, 8, 13};         String[] days = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};           //         // Create a new instance of Gson         //         Gson gson = new Gson();           //         // Convert numbers array into JSON string.         //         String numbersJson = gson.toJson(numbers);           //         // Convert strings array into JSON string         //         String daysJson = gson.toJson(days);         System.out.println("numbersJson = " + numbersJson);         System.out.println("daysJson = " + daysJson);           //         // Convert from JSON string to a primitive array of int.         //         int[] fibonacci = gson.fromJson(numbersJson, int[].class);         for (int i = 0; i < fibonacci.length; i++) {             System.out.print(fibonacci[i] + " ");         }         System.out.println("");           //         // Convert from JSON string to a string array.         //         String[] weekDays = gson.fromJson(daysJson, String[].class);         for (int i = 0; i < weekDays.length; i++) {             System.out.print(weekDays[i] + " ");         }         System.out.println("");           //         // Converting multidimensional array into JSON         //         int[][] data = {{1, 2, 3}, {3, 4, 5}, {4, 5, 6}};         String json = gson.toJson(data);         System.out.println("Data = " + json);           //         // Convert JSON string into multidimensional array of int.         //         int[][] dataMap = gson.fromJson(json, int[][].class);         for (int i = 0; i < data.length; i++) {             for (int j = 0; j < data[i].length; j++) {                 System.out.print(data[i][j] + " ");             }             System.out.println("");         }     } }