Because the list doesn’t yet exist, top ‘s initial value is NULL. Creating a singly linked list in Java You create a singly linked list by attaching a single Node object.

PayPal reveals that writing server-side software in node.js rather than Java is allowing it to serve web pages more rapidly and simplifying web development.

“We did an analysis of a number of platforms — Ruby, Node, Java, Scala. We’ll continue to use it and see how it does. That’s how we’ll make our technology choices.

Then Node.js was spawned, turning developers’ heads with its speed. Not only was JavaScript faster on the server than anyone had expected, but it was often faster than Java and other options.