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Top Architect
Top Architect
Jan 11, 2026 · Backend Development

How to Implement Java SPI with Maven Multi‑Module Projects and Spring Boot

This guide explains Java's Service Provider Interface (SPI) mechanism, compares it with traditional APIs, and walks through building a multi‑module Maven project that defines an SPI, provides a default implementation, creates an external plugin jar, loads it at runtime with a custom class loader, and integrates the service into a Spring Boot application.

SPIclasspathplugin
0 likes · 14 min read
How to Implement Java SPI with Maven Multi‑Module Projects and Spring Boot
Selected Java Interview Questions
Selected Java Interview Questions
Oct 28, 2025 · Backend Development

How to Fix IntelliJ IDEA’s “Command-line is Too Long” Error for Spring Boot

This guide explains why IntelliJ IDEA shows a “Command-line is too long” error when launching Spring Boot projects, how the OS command‑line limit is exceeded by long classpath arguments, and step‑by‑step configurations—including JAR manifest and @argfile options—to resolve the issue permanently.

Command line lengthIDE configurationIntelliJ IDEA
0 likes · 7 min read
How to Fix IntelliJ IDEA’s “Command-line is Too Long” Error for Spring Boot
Java Captain
Java Captain
Apr 16, 2018 · Fundamentals

Understanding Java Packages: Creation, Usage, and Classpath Management

This article explains how Java packages are created with the package statement, how they organize classes into namespaces, how to import and use them in code, and how to configure the classpath for compilation and execution, providing practical examples and code snippets.

JavaPackagesclasspath
0 likes · 7 min read
Understanding Java Packages: Creation, Usage, and Classpath Management