Quick Answer

Resolve missing package dependencies.

Understanding the Issue

Occurs when referenced packages aren't available on classpath. Common causes include missing imports, incorrect build configuration, or unpublished dependencies.

The Problem

This code demonstrates the issue:

Java Error 
import com.nonexistent.package.Utils; // Error

The Solution

Here's the corrected code:

Java Fixed 
// Solution 1: Add dependency
// Maven:
// <dependency>
//   <groupId>com.existing</groupId>
//   <artifactId>utils</artifactId>
// </dependency>

// Solution 2: Check import spelling
import com.existing.package.Utils;

// Solution 3: Verify module path (Java 9+)
// Ensure requires clause in module-info.java

Key Takeaways

Verify package names and build configurations.