Groovy - JsonSlurper

//Parsing Text
import groovy.json.JsonSlurper

class Example {
   static void main(String[] args) {
      def jsonSlurper = new JsonSlurper()
      def object = jsonSlurper.parseText('{ "name": "John", "ID" : "1"}')

      println(object.name);
      println(object.ID);
   }
}

//Parsing List of Integers
import groovy.json.JsonSlurper
class Example {
   static void main(String[] args) {
      def jsonSlurper = new JsonSlurper()
      Object lst = jsonSlurper.parseText('{ "List": [2, 3, 4, 5] }')
      lst.each { println it }
   }
}

//parsing list of primitive data types
import groovy.json.JsonSlurper
class Example {

   static void main(String[] args) {
      def jsonSlurper = new JsonSlurper()
      def obj = jsonSlurper.parseText ''' {"Integer": 12, "fraction": 12.55, "double": 12e13}'''

      println(obj.Integer);
      println(obj.fraction);
      println(obj.double);
   }
}

//ToJson
import groovy.json.JsonOutput
class Example {
   static void main(String[] args) {
      def output = JsonOutput.toJson([name: 'John', ID: 1])
      println(output); 
   }
}


import groovy.json.JsonOutput 
class Example {
   static void main(String[] args) {
      def output = JsonOutput.toJson([ new Student(name: 'John',ID:1),
         new Student(name: 'Mark',ID:2)])
      println(output); 
   }
}

class Student {
   String name
   int ID;
}