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I want to follow a Java program so that I can understand how everything works together. I could do it with Visual Studio so I am hoping that Eclipse may also have a feature to step through that I have not been able to find.
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In the Java Editor, within the current line of execution, place the cursor on the name of a method that you would like to step into. Click the Step into Selection action in the Run menu or Java editor context menu, or press the Ctrl-F5 key. Execution resumes until the selected method is invoked.
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.
Open Debug Configuration -> Debugger -> Enable Reverse Debugging at startup . Than you can press shift+F5 or shift+F6 for step back like F5 or F6 for step forward.
2. How can we move from one desired step to another step? Explanation: Breakpoints are inserted in code. We can move from one point to another in the execution of a program.
Put a breakpoint at a given line (double click before the line, or right-click > toggle breakpoint)
Run the program in debug mode. That is - Debug As > Java program
Whenever the breakpoint is reached, the Debug perspective opens, and you can step through.
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Refer step1, step2, step3,step4 images respectively.
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Simply put, you can run your code in Debug Mode by pressing only F11 or clicking that little bug on the top of the screen. Use F5 to trace into, F6 to step over, CTRL-SHIFT-B to set/remove breakpoints.
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