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import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
 
import java.util.HashMap;
import java.util.Map;
 
 
class Main {
  public static void main(String[] args) {
    System.out.println("Hello world!");
 
    Gson gsonObj = new Gson();
    Map<String, String> inputMap = new HashMap<String, String>();
    inputMap.put("name", "Java2Novice");
    inputMap.put("site", "http://j...content-available-to-author-only...e.com");
    // convert map to JSON String
    String jsonStr = gsonObj.toJson(inputMap);
    System.out.println(jsonStr);
  }
}

Main.java:1: error: package com.google.gson does not exist
import com.google.gson.Gson;
                      ^
Main.java:2: error: package com.google.gson does not exist
import com.google.gson.GsonBuilder;
                      ^
Main.java:12: error: cannot find symbol
    Gson gsonObj = new Gson();
    ^
  symbol:   class Gson
  location: class Main
Main.java:12: error: cannot find symbol
    Gson gsonObj = new Gson();
                       ^
  symbol:   class Gson
  location: class Main
4 errors

Standard output is empty