Monday, November 20, 2017

JSONConvertStringToMap

program for convert JSON from String to Map:

Example:
package com.coding.Json;

import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

import com.fasterxml.jackson.core.type.TypeReference;
import com.fasterxml.jackson.databind.ObjectMapper;

public class JSONConvertStringToMap {

public static void main(String a[]) {

String jsonStr = "{\"name\":\"Ramesh\", \"job\":\"SoftWare Engineer\"}";
Map<String, String> resultMap = new HashMap<String, String>();
ObjectMapper mapperObj = new ObjectMapper();

System.out.println("Input Json: " + jsonStr);
try {
resultMap = mapperObj.readValue(jsonStr, new TypeReference<HashMap<String, String>>() {
});
System.out.println("Output Map: " + resultMap);
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}

}


}





No comments:

Post a Comment

How to remove duplicate elements from an ArrayList in Java

How to remove duplicate elements from an ArrayList in Java. Ø   ArrayList allows adding duplicate elements, sometime there may be...