build json object in java
String jsonString = new JSONObject()
.put("JSON1", "Hello World!")
.put("JSON2", "Hello my World!")
.put("JSON3", new JSONObject().put("key1", "value1"))
.toString();
System.out.println(jsonString);new jsonobject java
String message;
JSONObject json = new JSONObject();
json.put("name", "student");
JSONArray array = new JSONArray();
JSONObject item = new JSONObject();
item.put("information", "test");
item.put("id", 3);
item.put("name", "course1");
array.add(item);
json.put("course", array);
message = json.toString();
// message
// {"course":[{"id":3,"information":"test","name":"course1"}],"name":"student"}creating json object in java
import org.json.simple.JSONObject;
class JsonEncodeDemo {
public static void main(String[] args) {
JSONObject obj = new JSONObject();
obj.put("name","foo");
obj.put("num",new Integer(100));
obj.put("balance",new Double(1000.21));
obj.put("is_vip",new Boolean(true));
StringWriter out = new StringWriter();
obj.writeJSONString(out);
String jsonText = out.toString();
System.out.print(jsonText);
}
}build json object in java
String json = Json.createObjectBuilder()
.add("key1", "value1")
.add("key2", "value2")
.build()
.toString();Copyright © 2021 Codeinu
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