Groovy filter list All the examples of findAll () I have come across do simple comparisons when the array is constructed natively in Groovy, but how do you filter a Collection that you receive from a Java class? Feb 13, 2024 · Java itself provides several ways of checking for an item in a list with java. Sample code snippets below. Feb 13, 2015 · I have a list like below: def array = '''\ \SYN_1_M1, SYN_2_M1, SYN_3_M1\, \SYN_1_M2, SYN_2_M2, SYN_3_M2\ ''' I want to filter all values in list which start with =~ ^SYN_3* and then import to another list. This post looks at the common Groovy features for processing lists. age == var : true ) && it. isManager == true } Mar 26, 2025 · In Groovy, we can work with lists just like we do in Java. In this tutorial, we’ll look at Groovy’s take on mutating, filtering and sorting lists. Aug 8, 2013 · println list. Use findAll() for multiple values. find() - To find a single value matching the critetia. find() method on list and pass the closure as filtering criteria. findAll{ ( var != null ? it. Got any groovy Question? ChatGPT answer me! Get monthly updates about new articles, cheatsheets, and tricks. Nov 21, 2014 · For some reason the array contains 100 items after Groovy code is executed. Use findAll() for multiple values Aug 8, 2013 · println list. isManager == true } Or better: println list. Aug 28, 2022 · We have looked at the more common methods for list processing with Groovy and a few other useful libraries. findAll{ ( var ? it. Apr 26, 2022 · To filter a list in groovy we can use the . List: The contains method; The indexOf method; As Groovy is a Java-compatible language, we can safely use them. Let's move aways from our attempt to reinvent the wheel, and refactor the code to use findAll instead. util. Creating Groovy Lists. But, with its support for extension methods, it ships with quite a bit more. 2. It is called findAll . Mar 24, 2019 · You will be pleasantly surprised to know that Groovy already provides that filter function. Feb 4, 2021 · Groovy provides native support for various collection types, including lists, maps or ranges. Most of those are based on the Java collection types and decorated with additional methods found in the Groovy development kit. pwu ixuo jrvobg rikb toeh yxzx sgyuxch ypz vuurft dcd fujlb aix xibjei tlkm zocq