Explore infix, prefix, and postfix notations of mathematical expressions.
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Calculate Weighted Mean in Java
A quick and practical guide to calculating weighted mean in Java.
A Guide to RestClient in Spring Boot
A quick and practical guide to Spring Boot RestClient.
Guide to Simple Binary Encoding
Learn about Simple Binary Encoding (SBE): how to set it up, define the message structure via XML, and use it for messages in Java.
Port Scanning With Java
A quick and practical guide to port scanning in Java.
Guide to the Storage Engine in Apache Cassandra
Dive into the internals of the storage engine used by Apache Cassandra.
Creating Random Numbers With No Duplicates in Java
Learn how to generate unique random numbers efficiently.
How to Count the Number of Matches for a Regex?
Regular expressions can help us with text processing. Here we explore how to count the number of matches of a regular expression in some text.
Rate Limiting a Spring API Using Bucket4j
Learn how to use Bucket4j to rate limit a Spring REST API.
Design Principles and Patterns for Highly Concurrent Applications
A quick and practical overview of design principles for highly concurrent applications!
Arrays.sort vs Arrays.parallelSort
Learn how Java sort() and parallelSort() differ.
Creating a Triangle with for Loops in Java
Learn several ways to print triangles in Java using for loops.
A Guide to SirixDB
Learn how to use the low-level transactional cursor API to manage JSON databases and resources in SirixDB.
How to Reverse a String in Java
Explore different ways of reversing a String in Java.
Java EE 7 Batch Processing
A quick and practical introduction to batch processing in Java EE7.
State Design Pattern in Java
Learn about State design pattern and its pros and cons, explained with a clear and easy to understand example
Guide to the java.util.Arrays Class
Learn what features java.util.Arrays has, including what’s new from Java 8
Find All Pairs of Numbers in an Array That Add Up to a Given Sum in Java
A quick look at several algorithms for finding pairs of numbers in an array that add up to a given sum in Java using traditional for loops and the Java 8 Stream API.
Java Concurrency Interview Questions (+ Answers)
A set of popular concurrency-related Java interview questions and of course answers.
Introduction to Thread Pools in Java
Quick and practical guide to different ThreadPool implementations in Java and Guava.