How to convert json to ArrayList object in Java?

10,231

You need to use:

Product p = new Product(); 
p.setId( jsonArray.getJSONObject(i).getInt("id") );
p.setName( jsonArray.getJSONObject(i).getString("name") );
list.add(p)

All inside the loop, because you need to create a new product each time.

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Danilo
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Danilo

Updated on June 25, 2022

Comments

  • Danilo
    Danilo almost 2 years

    i want convert json values to ArrayList objects in java...., i have:

    {"Products":[
    {
          "id":001,
          "name":"mouse"
        },
        {
          "id":002,
          "name":"Monitor"
        }
    ]}
    

    // model

    Public class Product {
    
       private int id; 
       private String name;
    
       //getters and setters
    }
    

    // and method

    JSONArray jsonArray= new JSONArray(jsonProducts);
    List<Product> list = new ArrayList<Product>();
    Product p = new Product();
    
    for(int i=0; i<jsonArray.length; i++) {
         product.setId(??);
         product.setName(??);
         list.add(??);
    }
    

    I'm using org.json