Google Gson API: Convert HASHMAP To JSON String - Java

Hash Map to Json String

Java Json 2017

package com.gson.json;

import java.util.HashMap;
import java.util.Map;

import com.google.gson.Gson;

public class HashMapToJsonString {

    public static void main(String a[]) {

        Gson gsonObj = new Gson();
        Map<String, String> inputMap = new HashMap<String, String>();
        inputMap.put("name", "Antonio");
        inputMap.put("phone", "0983909090");
        // convert map to JSON String
        String jsonStr = gsonObj.toJson(inputMap);
        System.out.println(jsonStr);
    }
}

Hash Map to Json String

Java Json 2017

package com.gson.json;

import java.util.HashMap;
import java.util.Map;

import com.google.gson.Gson;
import com.google.gson.GsonBuilder;

public class HashMapToJsonString{

    public static void main(String a[]) {

        // Dưới đây là ví dụ để cho phép in ấn tốt trong API gson của Google
        Gson gsonObj = new GsonBuilder().setPrettyPrinting().create(); 
        Map<String, String> inputMap = new HashMap<String, String>();
        inputMap.put("name", "Antonio");
        inputMap.put("phone", "0983909090");
        // convert map to JSON String
        String jsonStr = gsonObj.toJson(inputMap);
        System.out.println(jsonStr);
    }
}