How to output a json like below using java program
{"id":"0001","name":"Cake","topping":[{"id":"5001","type":"None"},{"id":"5004","type":"Maple"}],"ppu":"0.55","type":"donut","batters":{"batter":[{"id":"1004","type":"Devil's Food"},{"id":"0001","type":"Regular"}]}}
Program
/**
*
*/
package com.belazy.pojostructure;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
/**
* @author consumerfed IT Section
* Kozhikode
*
*/
public class ManiClass {
public static void main(String[] args) throws JsonProcessingException {
Javabelazy user = new Javabelazy();
user.setId("0001");
user.setType("donut");
user.setName("Cake");
user.setPpu("0.55");
Batter batter1 = new Batter();
batter1.setId("0001");
batter1.setType("Regular");
Batter batter2 = new Batter();
batter2.setId("1004");
batter2.setType("Devil's Food");
Batters batters = new Batters();
Batter[] batter = new Batter[2];
batter[1] = batter1;
batter[0] = batter2;
batters.setBatter(batter );
user.setBatters(batters);
Topping topping1 = new Topping();
topping1.setId("5001");
topping1.setType("None");
Topping topping2 = new Topping();
topping2.setId("5004");
topping2.setType("Maple");
Topping[] topping = new Topping[2];
topping[0] = topping1;
topping[1] = topping2;
user.setTopping(topping );
ObjectMapper objectmapper = new ObjectMapper();
String json = objectmapper.writeValueAsString(user);
System.out.println(json);
}
}
User class
package com.belazy.pojostructure;
public class Javabelazy
{
private String id;
private String name;
private Topping[] topping;
private String ppu;
private String type;
private Batters batters;
public String getId ()
{
return id;
}
public void setId (String id)
{
this.id = id;
}
public String getName ()
{
return name;
}
public void setName (String name)
{
this.name = name;
}
public Topping[] getTopping ()
{
return topping;
}
public void setTopping (Topping[] topping)
{
this.topping = topping;
}
public String getPpu ()
{
return ppu;
}
public void setPpu (String ppu)
{
this.ppu = ppu;
}
public String getType ()
{
return type;
}
public void setType (String type)
{
this.type = type;
}
public Batters getBatters ()
{
return batters;
}
public void setBatters (Batters batters)
{
this.batters = batters;
}
@Override
public String toString()
{
return "ClassPojo [id = "+id+", name = "+name+", topping = "+topping+", ppu = "+ppu+", type = "+type+", batters = "+batters+"]";
}
}
Topping class
package com.belazy.pojostructure;
public class Topping
{
private String id;
private String type;
public String getId ()
{
return id;
}
public void setId (String id)
{
this.id = id;
}
public String getType ()
{
return type;
}
public void setType (String type)
{
this.type = type;
}
@Override
public String toString()
{
return "ClassPojo [id = "+id+", type = "+type+"]";
}
}
Batters class
package com.belazy.pojostructure;
public class Batters
{
private Batter[] batter;
public Batter[] getBatter ()
{
return batter;
}
public void setBatter (Batter[] batter)
{
this.batter = batter;
}
@Override
public String toString()
{
return "ClassPojo [batter = "+batter+"]";
}
}
Batter class
package com.belazy.pojostructure;
public class Batter
{
private String id;
private String type;
public String getId ()
{
return id;
}
public void setId (String id)
{
this.id = id;
}
public String getType ()
{
return type;
}
public void setType (String type)
{
this.type = type;
}
@Override
public String toString()
{
return "ClassPojo [id = "+id+", type = "+type+"]";
}
}
Output
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