Run the program in debug mode

  1. Click the Run icon in the gutter, then select Modify Run Configuration.
  2. Enter arguments in the Program arguments field.
  3. Click the Run button near the main method. From the menu, select Debug.

How do I enable debug mode in IntelliJ?

Set up the debugger

  1. From the main menu, select Run | Edit Configurations or press Alt+Shift+F10 then 0 .
  2. In the Run/Debug Configurations dialog, click the Add New Configuration button. and select Remote.
  3. Configure/use the following properties: Name: configure how this run configuration will be called. …
  4. Click Apply.


Why debug is not working in IntelliJ?

To solve this, simply remove the jar of the debugged module from all modules’ dependencies in the Project Structure. If you do not know which modules have the debugged module jar as dependencies, you can use some tools (Eg. Sublime Text, bash, …) to search for the module name which is stored in Intellij *.

How do I enable debug tool?

Enabling USB Debugging on an Android Device

  1. On the device, go to Settings > About .
  2. Tap the Build number seven times to make Settings > Developer options available.
  3. Then enable the USB Debugging option.


Does IntelliJ have a debugger?

IntelliJ IDEA provides a debugger for Java code. Depending on the installed/enabled plugins, you can also debug code written in other languages. During a debugging session, you launch your program with the debugger attached to it.

How do I run Java in debug mode?

Click Java > JVM Settings tab. Under Debug Java Settings, select the Enable Debug checkbox. Provide JVM options as necessary by clicking the New button. If you substitute suspend=y, the JVM starts in suspended mode and stays suspended until a debugger attaches to it.

How do I use Java debugger?

A Java program can be debugged simply by right clicking on the Java editor class file from Package explorer. Select Debug As → Java Application or use the shortcut Alt + Shift + D, J instead. Either actions mentioned above creates a new Debug Launch Configuration and uses it to start the Java application.

How do I show debug variables in IntelliJ?

Select a variable or a property of a complex object in the Debug window, press F2 or right-click and choose Set Value… from the context menu, and then specify a new value and press Enter . For literal values, you can make necessary changes right in the source code and apply them with Hot Reload.

How do you debug a code?

6 code debugging techniques

  1. Print statements. Using a print statement might be the simplest way to debug code. …
  2. Error handling. Another method of debugging your code is using error handling. …
  3. Commenting things out. …
  4. Debugging tools. …
  5. Tests. …
  6. Asking other developers.


How do I debug a shortcut in IntelliJ?

There are a number of ways to start the debugger:

  1. You can click on the Run icon in the gutter area and select the Debug option.
  2. You can invoke context actions on the class or main method by using Alt+Enter and choose the Debug action.
  3. You can also start it from the Run menu, or by pressing Shift F9.


How do I set debug points in IntelliJ?

Set breakpoints

  1. Click the gutter at the line where the method is declared. …
  2. To suspend the program when the default constructor of some class is called, click the gutter at the line where the class is declared or place the caret at the line and press Ctrl+F8 .
  3. To match multiple classes or methods, click View Breakpoints.


What is IDE debugging?

Debugging is the process of working through the program in a systematic way to eliminate any flaws or glitches. A debugger program is usually included within the IDE . If a section of code gives you different results from what you would expect, try to make that section of code work in isolation.

What are the 4 steps to debugging?

Quote from the video:
Quote from video: And correcting your mistakes. And fixing. It there are four really important steps that you want to follow when you're debugging the first thing you want to do is describe your problem.

Why do we need debugging?

Debugging is important because it allows software engineers and developers to fix errors in a program before releasing it to the public. It’s a complementary process to testing, which involves learning how an error affects a program overall.

What is the purpose of debugging?

Definition: Debugging is the process of detecting and removing of existing and potential errors (also called as ‘bugs’) in a software code that can cause it to behave unexpectedly or crash. To prevent incorrect operation of a software or system, debugging is used to find and resolve bugs or defects.

What is the difference between programming and debugging?

A complex program can be made up of lots of lines of code and it is normal for new programs to have some bugs. An important part of programming is testing your program and ‘debugging’ (which means removing the bugs).

What is the difference between testing and debugging?

Testing is the process using which we find errors and bugs. Debugging is the process using which we correct the bugs that we found during the testing process. Read ahead to know more differences between testing and debugging.