Smart Java Error Explainer is a simple console-based Java project that helps beginners understand common Java runtime and compile-time errors.
It takes a Java error as input and explains its meaning, cause, and solution in an easy-to-understand way.
This project is useful for:
- Java beginners
- Students preparing for exams or viva
- Understanding common Java exceptions quickly
- Explains common Java errors like:
- NullPointerException
- ArrayIndexOutOfBoundsException
- ArithmeticException
- NumberFormatException
- ClassNotFoundException
- Simple text-based (console) interaction
- Beginner-friendly explanations
- Easy to extend with more errors
- Java
- Scanner class (for input)
- HashMap (for storing error explanations)
- IntelliJ IDEA
- Git & GitHub
SmartJavaErrorExplainer/ │ ├── src/ │ └── project/ │ └── SmartJavaErrorExplainer.java │ ├── README.md ├── .gitignore └── Java1.iml
Input NullPointerException
Output Meaning: You are using an object that has not been initialized.
Cause: The object reference is null.
Solution: Initialize the object before use.