您将这样做:
MongoClient mongoClient = new MongoClient();
List<String> dbs = mongoClient.getDatabaseNames();
您可以在此处查看文档。
就像下面提到的@CydrickT一样,getDatabaseNames
它已被弃用,因此我们需要切换到:
MongoClient mongoClient = new MongoClient();
MongoCursor<String> dbsCursor = mongoClient.listDatabaseNames().iterator();
while(dbsCursor.hasNext()) {
System.out.println(dbsCursor.next());
}