Java Resources

How to Change PDF Paper Sizes With an API in Java

Discover an efficient web API solution Java developers can use to quickly adjust PDFs between common ISO 216 A-Series paper sizes (A0 to A7).

August 20, 2024

by Brian O'Neill

CORE

· 5,193 Views · 2 Likes

Default Map Value

Learn how to provide a default value when querying an absent key in a hash map in different programming languages including Java, Kotlin, Python, and more.

August 16, 2024

by Nicolas Fränkel

CORE

· 5,872 Views · 2 Likes

Creating Effective Exceptions in Java Code [Video]

Learn to handle Java exceptions effectively: define a hierarchy, create trackable messages, and ensure security. Also, learn about best practices.

August 14, 2024

by Otavio Santana

CORE

· 7,936 Views · 4 Likes

OpenTelemetry Tracing on Spring Boot: Java Agent vs. Micrometer Tracing

In this post, compare three different ways to utilize OpenTelemtry Tracing and Spring Boot components: Java agent v1, Java agent v2, and Micrometer Tracing.

August 12, 2024

by Nicolas Fränkel

CORE

· 10,274 Views · 3 Likes

PostgreSQL Support for Large Object Replication

Create a two-node pgEdge cluster on the localhost to demonstrate how pgEdge Platform replicates large objects, share a native PSQL example, and more.

August 12, 2024

by Ahsan Hadi

· 4,916 Views · 1 Like

Java Concurrency: The Happens-Before Guarantee

In this article, learn more about reorderings and multi-threaded codebases along with how Java helps you with its guarantees.

August 12, 2024

by Emmanouil Gkatziouras

CORE

· 11,971 Views · 14 Likes

Apache Kafka + Flink + Snowflake: Cost-Efficient Analytics and Data Governance

Explore shift-left architecture with Snowflake, Apache Kafka, Flink, and Iceberg for cost-efficient analytics and data governance in the cloud.

August 10, 2024

by Kai Wähner

CORE

· 5,702 Views · 1 Like

Apache Flink 101: A Guide for Developers

Learn more about Apache Flink, a powerful stream processing tool, for building streaming data pipelines, real-time analytics, and event-driven applications.

August 8, 2024

by David Anderson

· 8,789 Views · 2 Likes

How to Create a CRUD Application in Less Than 15 Minutes

This step-by-step guide explores how to create a front end for your database with Java only, without any JavaScript knowledge needed.

August 8, 2024

by Amir Shelli

· 17,626 Views · 8 Likes

How to Check and Update Newer Versions for Dependencies in Maven Projects

This tutorial demonstrates how to use different Maven commands for checking and updating the dependency and plugin versions in Maven projects.

August 7, 2024

by Faisal Khatri

CORE

· 10,582 Views · 4 Likes

Enhancing Java Application Logging: A Comprehensive Guide

Learn Java logging best practices: use proper log levels, include unique IDs for trackability, and secure logs to avoid sensitive data exposure.

August 7, 2024

by Otavio Santana

CORE

· 10,347 Views · 9 Likes

How to Create and Run A Job In Jenkins Using Jenkins Freestyle Project

Learn how to create a job in Jenkins, build jobs, and pipeline projects. Explore the Jenkins Freestyle Project, and combine any SCM with any build system.

August 7, 2024

by Piyusha Podutwar

· 6,293 Views · 1 Like

How to Solve OutOfMemoryError: Java Heap Space

Delve into the root causes behind this error, explore potential solutions, and discuss effective diagnostic methods to troubleshoot this problem.

August 6, 2024

by Ram Lakshmanan

CORE

· 4,748 Views · 1 Like

Creating a Command Line Tool With JBang and PicoCLI To Generate Release Notes

Learn how to create a Java command-line tool with JBang and PicoCLI to automate the generation of release notes from GitHub.

August 6, 2024

by A N M Bazlur Rahman

CORE

· 7,502 Views · 1 Like

Criticality in Data Stream Processing and a Few Effective Approaches

Opposite to traditional batch data processing technique, here processing works on the data as it is produced in real-time. Learn more in this post.

August 2, 2024

by Gautam Goswami

CORE

· 5,442 Views · 1 Like

Merge Multiple PDFs in MuleSoft

In this article, you will learn how to merge multiple PDFs and send back the merged PDF as a response using MuleSoft and Java.

July 31, 2024

by Anupam Nath

· 6,900 Views · 4 Likes

How to Generate Flame Graphs in Java

This article describes generating flame graphs in Java, discusses options, and in which use cases we could take advantage of it.

July 30, 2024

by Petr Bouda

CORE

· 8,697 Views · 7 Likes

Implementing Multi-Level Caching in Java With NCache

Understanding the benefits of multi-level caching and setting up multi-level caching in Java using NCache — using it both as a distributed cache and a local cache.

July 30, 2024

by Abhinav Pandey

· 4,909 Views · 1 Like

Using SingleStore for Iceberg Catalog Storage

SingleStore recently announced bi-directional support for Apache Iceberg. In this short article, we'll implement an Iceberg catalog using SingleStore and JDBC.

July 29, 2024

by Akmal Chaudhri

CORE

· 4,188 Views · 1 Like

How To Achieve High GC Throughput

In this post, explore a key performance metric studied during garbage collection analysis: garbage collection (GC) throughput.

July 29, 2024

by Ram Lakshmanan

CORE

· 5,338 Views · 5 Likes

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