Tag Archives: Java 8

7 different ways how to get NumberFormatException in Java

Posted on May 5, 2022 by Andrej Buday

This article will show you the NumberFormatException, how you are getting it and what you should do to handle the exception properly. Continue reading →

Posted in Language basics | Tagged exception, Java, Java 8, NumberFormatException | Leave a comment

Developer Notes 001

Posted on May 1, 2022 by Andrej Buday

The list of a few developer notes collected during the software development which were not enough for a self-standing article. Continue reading →

Posted in Tips & tricks | Tagged curl, Enum, interpunct, Jackson, Java 8, Lombok, NUMBER, Oracle DB, Postman, serialization, String, Switch | Leave a comment

Flattening Stream Collections in Java

Posted on March 1, 2022 by Andrej Buday

This article is about flattening the list of element list with use of Java 8 stream feature flatMap and forEach Continue reading →

Posted in Language basics | Tagged collections, Java, Java 8 | Leave a comment

How to join List String elements with a comma

Posted on January 1, 2022 by Andrej Buday

In this article, we will see three different ways to print string elements of the list into one coherent text. Continue reading →

Posted in Language basics | Tagged brute force, Java 8 | Leave a comment

How to sort a map with Java 8

Posted on March 6, 2021 by Andrej Buday

This tutorial shows how to sort Java Map implementations with Java 8 streams by map’s key or value properties. Continue reading →

Posted in Tutorials | Tagged generics, Java, Java 8, Map, sort, sorting, streams | Leave a comment

How to use IntStream range in Java

Posted on December 6, 2020 by Andrej Buday

This article talks about the average use case of loop count variable usage via IntStream API Continue reading →

Posted in Language basics | Tagged API, Java, Java 8, range, streams | Leave a comment