Aug
10
Gson – Object Data Binding ”; Previous Next Object data binding refers to mapping of JSON to any JAVA Object. //Create a Gson instance Gson gson = new Gson(); //map Student object to JSON content String jsonString = gson.toJson(student); //map JSON content to Student object Student student1 = gson.fromJson(jsonString, Student.class); Example Let”s see object data binding in action. Here we”ll map JAVA Object directly to JSON and vice versa. Create a Java class file named GsonTester in C:>GSON_WORKSPACE. File – GsonTester.java import com.google.gson.Gson; public class GsonTester { public static void main(String args[]) { Gson gson = new Gson(); Student student = new Student(); student.setAge(10); student.setName(“Mahesh”); String jsonString = gson.toJson(student); System.out.println(jsonString); Student student1 = gson.fromJson(jsonString, Student.class); System.out.println(student1); } } class Student { private String name; private int age; public Student(){} public String getName() { return name; } public void setName(String name) { this.name = name; } public int getAge() { return age; } public void setAge(int age) { this.age = age; } public String toString() { return “Student [ name: “+name+”, age: “+ age+ ” ]”; } } Verify the result Compile the classes using javac compiler as follows − C:GSON_WORKSPACE>javac GsonTester.java Now run the GsonTester to see the result − C:GSON_WORKSPACE>java GsonTester Verify the output. {“name”:”Mahesh”,”age”:10} Student [ name: Mahesh, age: 10 ] Print Page Previous Next Advertisements ”;