Gain a deep understanding of how start debug mode of IntelliJ IDEA It is essential for any developer using this popular integrated development platform. Debugging is a critical skill for identifying and fixing errors in code, and IntelliJ IDEA offers a variety of tools to facilitate this process. In this article, we will explore step by step how to start debugging in IntelliJ IDEA, from initial setup to running a debugging session. If you're ready to improve your debugging skills and get the most out of your experience with IntelliJ IDEA, read on!

– Step by step ➡️ How to start IntelliJ IDEA debug mode?

• Open IntelliJ IDEA: The first thing you should do is make sure the program is open on your computer.
• Open your project: Once you are inside IntelliJ IDEA, select the project in which you want to start debug mode.
• Click "Run": In the top toolbar, find and click the button that says "Run."
• Select "Debug": After clicking “Run”, a menu will be displayed. Here, you must select the option that says “Debug”.
• And that's it! Once you've followed these steps, you've entered debug mode in IntelliJ IDEA and can begin identifying and fixing problems in your code.

Q&A

Frequently Asked Questions on How to Start Debug Mode in IntelliJ IDEA

1. How do I start debug mode in IntelliJ IDEA?

Step 1: Open your project in IntelliJ IDEA.
Step 2: Click the line of code where you want to start debugging.
Step 3: Press the debug button or use the corresponding keyboard shortcut.

2. What is the keyboard shortcut to start debugging in IntelliJ IDEA?

The default keyboard shortcut is: Alt + Shift + F9.

3. What is the difference between debug mode and normal run mode in IntelliJ IDEA?

In debug mode: You can trace your code step by step, inspect variable values, and detect errors more easily.
In normal run mode: The program runs without the ability to inspect values ​​or track the execution flow in detail.

4. Can I set breakpoints while debugging in IntelliJ IDEA?

Yes you can: Click on the left margin of the line of code where you want to set the breakpoint.

5. How do I stop debugging in IntelliJ IDEA?

Step 1: Click the stop button or use the appropriate keyboard shortcut.
Step 2: Debugging will stop and the program will continue in normal execution mode.

6. Can I inspect variable values ​​while debugging in IntelliJ IDEA?

Yes you can: While the program is in debug mode, you can view the values ​​of the variables in the variables window or by hovering over the variable in the code.

7. How do I change debug mode to normal run mode in IntelliJ IDEA?

Step 1: Click the stop debugging button.
Step 2: The program will return to normal running mode.

8. Can I debug web applications in IntelliJ IDEA?

Yes you can: IntelliJ IDEA has support for debugging web applications, including the ability to inspect HTTP requests, runtime variables, and more.

9. What are the advantages of debug mode in IntelliJ IDEA?

The advantages include: Detect and correct errors more easily, understand the flow of program execution in greater detail, and be able to inspect and modify variable values ​​at run time.

10. Can I debug multiple threads simultaneously in IntelliJ IDEA?

Yes you can: IntelliJ IDEA has support for multi-thread debugging, which means you can inspect and control the execution flow of multiple threads at the same time.