Topic

Groovy

A collection of 54 issues

Groovy Scripts - How do they work?

If you are already familiar with Groovy, you know that Groovy supports script mode where you can write Groovy code without explicitly creating a class. This mode is suitable when you want to house the entire code in a single class. If you are new to Groovy, you might want

Effective Java with Groovy - When float and double put you in trouble!

Let's start with a Java program! What do you think the following program would print? float price = 0.1f; float amount = 0f; for (int i = 0; i < 10; i++) { amount += price; } System.out.println("Total price: " + amount); Well, the developer indeed intended the amount to

SDKMAN - A must-have for all developers using JVM

Did you ever have to work with multiple Java projects and each of them was on different version Java or any JVM tools? SDKMAN is a CLI tool for managing multiple versions of Java and JVM tools. I started using this tool in its earlier form known as GVM(Groovy

Effective Java with Groovy - GR8Conf EU 2019

Micronaut HTTP Client - Parsing Response

I am using Micronaut 2.0 in this post. You can verify your version using the mn -Version command. Let us generate a controller using the create-controller command provided by the Micronaut CLI as follows. I am launching the CLI from myapp directory. ➜ myapp mn mn> create-controller com.nareshak.

A Feel of Groovy DSL with an Example from Gradle

If you have used Gradle build system, probably you have already been used and benefited from the DSL capabilities of Groovy language. In this post, let us take a peek at such an example. Consider the following piece of DSL from a Gradle configuration. plugins { id 'java' } The

Presentation - Leveraging Micronaut on AWS Lambda

Leveraging Micronaut on AWS Lambda from Naresha K

Groovy file operations - execute around pattern in action

In an older post, I described Execute Around Pattern. In this post, let's understand how this pattern simplifies the solution while reading from files and writing to files. Suppose we have a text file that contains a few names one name per line. We want our program to

IDE generated code - a good idea?

In my previous post I mentioned how pain acted as a trigger to positive action. In this post, let's analyse potential solutions to the problem I had mentioned in the above post and what can we learn from them. At the time of this incident, our team was

Effective Java with Groovy - How Language can Influence Good Practices

Effective Java with Groovy - How Language can Influence Good Practices from Naresha K