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Saturday, 12 July 2014

Locks in Java

After semaphores I decided to look at the Lock interface in Java. The first question that comes is "Why use locks when wait notify works well enough ?" I looked in the documentation for the class and the below lines stand out:

Monday, 16 June 2014

Read-Write to MongoDB via java

In the last post I used the java driver to connect to the MongoDB. Now to read the documents from the collection:

UD - The Update and Delete in CRUD

We have already seen Create and Read operations with MongoDB. We were able to create collections in the database and add documents to them. Now to try updating and deletion of documents.

Sunday, 15 June 2014

Talking to MongoDB via java

In our last post we got started on creating a database and adding docs to a collection. Being a java guy, I wanted to try and use the database connectivity driver provided by MongoDB for use with java applications.

Thursday, 29 May 2014

Talking to MongoDB

In our previous post we saw how to set up MongoDB for running. The application we started was the MongoDB server. It is not a client. To perform any operations, what we need is a way to connect to the server. For this I decided to initially use the mongo shell: