One of the features that I am really excited about is pattern matching in Java. Pattern matching is a powerful feature in languages like Scala and Kotlin. You have an input token that’s matched against patterns. switch-case statement comes close, […]
I have been consulting for a company say X, the last few months. X is one of those companies that has a product used by several clients, with approximately 100K transactions per day, but with code that has become unmaintainable, […]
I wrote my first Java program in 1999. After that switched over to .NET, then came back to Java, then moved on to JavaScript, Ruby and came back to Java with Spring Boot. It’s 22 years and Java is still […]
In the previous post we created an Observable and emitted data using the onNext() method. We have a subscriber who receives the data when the publisher pushes the data. How about play with the data-receival a bit? We have the […]
In the previous post we wrote a HelloWorld program where we created a publisher using Observable and subscribed to it. Let’s extend this. Let’s have a collection of cities. We would like to get the temperature of these cities. To […]