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Java Webinar IV – Exception Handling, Debugging, and Robust Programs

Duration: 3 Hours
Level: Early Intermediate
Format: Live Human Online Webinar with Guided Labs
IDE Used: IntelliJ IDEA

Webinar Schedule (3 Hours)

Session 1: Understanding Errors and Exceptions

  • What exceptions are and why they exist

  • Compile-time vs runtime errors

  • Common Java exception types

  • Reading and understanding stack traces

Lab 1:

  • Trigger common Java exceptions intentionally

  • Read and interpret exception messages

  • Identify where and why failures occur

Session 2: Handling Exceptions Gracefully

  • Using try, catch, and finally

  • Handling invalid input and unexpected conditions

  • Preventing program crashes

  • Writing meaningful error messages

Lab 2:

  • Add exception handling to existing programs

  • Validate inputs and protect program flow

  • Keep applications running safely

Session 3: Debugging and Building Robust Java Programs

  • Debugging tools in IntelliJ IDEA

  • Setting breakpoints and stepping through code

  • Inspecting variables and program state

  • Improving reliability and readability

Lab 3:

  • Debug a multi-step Java program

  • Refactor code to improve robustness

  • Test edge cases and failure scenarios

Webinar Description

Java Webinar IV focuses on writing Java programs that are stable, predictable, and resilient. In this hands-on session, participants learn how Java handles errors, how to respond to failures gracefully, and how to debug programs effectively using professional tools.

Rather than avoiding errors, this webinar teaches how to understand, anticipate, and manage them. Labs are designed around realistic failure scenarios so learners can build confidence troubleshooting problems and improving program reliability.

All development and debugging is performed in IntelliJ IDEA, reinforcing workflows used in professional Java environments.

Lab & Exercise Structure

Each lab is:

  • Instructor-guided with live explanation

  • Based on real-world failure scenarios

  • Focused on understanding root causes

  • Built and debugged in IntelliJ IDEA

Lab code is reusable and serves as reference material for future Java projects.

Who This Webinar Is For

  • Attendees of Java Webinars I–III

  • Developers frustrated by unclear Java errors

  • Professionals writing production-style Java code

  • Anyone wanting more reliable programs

What You’ll Gain

  • Confidence reading and fixing Java exceptions

  • Understanding of structured error handling

  • Practical debugging skills in IntelliJ

  • Ability to write more resilient Java programs

Other Java Webinars

This webinar focuses on program stability and reliability.
Additional Java webinars expand on this foundation by covering:

  • File I/O and persistence

  • Working with databases

  • Java application architecture

  • Preparing Java applications for production

Java Webinar IV marks the transition from “it works” Java to professional-grade Java development.