尝试这样的事情:
BasicDBObject set = new BasicDBObject("$set", new BasicDBObject("age", 10));set.append("$set", new BasicDBObject("name", "Some Name"));someCollection.update(someSearchQuery, set);还要看这个例子。

尝试这样的事情:
BasicDBObject set = new BasicDBObject("$set", new BasicDBObject("age", 10));set.append("$set", new BasicDBObject("name", "Some Name"));someCollection.update(someSearchQuery, set);还要看这个例子。