package com.a; import java.net.UnknownHostException; import java.util.ArrayList; import java.util.List; import com.mongodb.BasicDBObject; import com.mongodb.DB; import com.mongodb.DBObject; import com.mongodb.Mongo; import com.mongodb.MongoClient; public class Rohit { public static void main(String[] args){ try { Mongo mongo = new MongoClient("localhost", 27017); DB db = mongo.getDB("test"); DBObject bobj = new BasicDBObject(); int i = 0; char[] a = new char[1024 * 1024 *5]; while(i< a.length){ a[i] = 'a'; i++;} String value = String.valueOf(a); bobj.put("value", value); //List list = new ArrayList(); //list.add(bobj); db.getCollection("test").remove(bobj); } catch (UnknownHostException e) { // TODO Auto-generated catch block e.printStackTrace(); } } }