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Ivan Polovyi

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Level Up Coding

Java Stream API: Mastering Collectors

When working with Streams, we need a final result, whether it’s a single value, a collection, or an array of values. Transforming a Stream…

Sep 2

Java Stream API: Mastering Collectors

Sep 2

Published in
Level Up Coding

Java Date and Time API: Mastering Zoned and Offset Date-Time for Effective Time Zone Management

Globalization has brought new challenges for programmers, with managing date and time across various time zones being a key issue…

Sep 27

Java Date and Time API: Mastering Zoned and Offset Date-Time for Effective Time Zone Management

Sep 27

Published in
Javarevisited

Mastering the Java Time API: A Comprehensive Guide

Java 8 is often celebrated for introducing functional programming features, but it also brought another significant enhancement that…

Sep 19

Mastering the Java Time API: A Comprehensive Guide

Sep 19

Published in
Level Up Coding

Java Stream API: Mastering Reduction Operations

When working with Java Streams, a common task is to transform a stream into a single value. This might involve reducing the stream to one…

Aug 27

Java Stream API: Mastering Reduction Operations

Aug 27

Published in
Level Up Coding

Java Stream API: Mastering Terminal Operations with Find and Match

One common reason to process a stream of elements is to find or match specific items within it. The Stream API provides a variety of…

Aug 25

Java Stream API: Mastering Terminal Operations with Find and Match

Aug 25

Published in
Level Up Coding

Java Stream API: Exploring Mapping Operations

The Stream API allows us to manipulate data in various ways. One of the most common use cases is transforming data from one type or form to…

Aug 23

Java Stream API: Exploring Mapping Operations

Aug 23

Published in
Level Up Coding

Java Stream API: Exploring Intermediate Operations

Intermediate operations are crucial in stream processing, and the Stream API offers a wide range of these powerful tools. Mastering them is…

Aug 20

Java Stream API: Exploring Intermediate Operations

Aug 20

Published in
Level Up Coding

Java Stream API: Exploring Methods for Creating Streams

Java 8 introduced the Stream API, which revolutionized the language by enabling both imperative and functional programming styles. This…

Aug 18

Java Stream API: Exploring Methods for Creating Streams

Aug 18

Published in
Level Up Coding

Mastering Java Collections: Exploring the Queue Interface

The Java Collection API offers a diverse range of data structure types to suit various needs. While ArrayList, Set, and Map are among the…

Aug 9

Mastering Java Collections: Exploring the Queue Interface

Aug 9

Published in
Javarevisited

Mastering Java Collections: Exploring Compute Methods in Maps

The Map is an essential data structure in Java, frequently used to store and manage key-value pairs. Often, we need to manipulate its…

Aug 3

Mastering Java Collections: Exploring Compute Methods in Maps

Aug 3

Ivan Polovyi

Ivan Polovyi

I am a Java Developer | OCA Java EE 8 | Spring Professional | AWS CDA | CKA | DCA | Oracle DB CA. I started programming at age 34 and still learning.

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