Java Flatten 2D array Into 1D Array

Arrays are the most basic data structures in any language. Although we don’t work on them directly in most cases,…

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Java Stream contains, containsAny and containsAll examples

The Java 8 Stream API provides various methods for operating on sequences of elements, such as filtering, mapping, and collecting.…

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Java Stream mapMulti() Example

With the release of Java 16, several new features and enhancements were introduced. One such feature is the mapMulti() method…

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Split String To Map In Java

In Java, when dealing with data stored in formats such as CSV or custom-delimited files, it is frequently required to…

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Java: Streaming a JDBC ResultSet as CSV

In my previous post, I showed how to convert a java.sql.ResultSet to JSON and stream it back to the caller.…

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Java: Streaming a JDBC ResultSet as JSON

This post shows how you can convert a java.sql.ResultSet to JSON and stream it back to the caller. This is…

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Work with Parallel Database Streams using Java 8

What is a Parallel Database Stream? Read this post and learn how you can process data from a database in…

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Database CRUD Operations in Java 8 Streams

The biggest obstacle to overcome when starting out with a new tool is to get your head around how to…

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Yet another Java 8 Lamdbas and Streams example

I’ve been lagging behind with what Java 8 features exercising concerns, so in this post I will briefly present my initial…

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