Debug a java program
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A debugger is a tool that helps developers find and fix bugs (logical errors) in a Java program. The debugger allows you to control program execution line-by-line, inspecting variable values. Key debugging steps are setting breakpoints to pause execution, inspecting variables at breakpoints, and using commands like step in, step over, and step out to control stepping through code.
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Debug a java program
- 1. Debug a java program
- 2. Bug and Debug • Bug – logical error in your program • Debug – process of finding what the error is and fixing it • Debugger – tool which helps the developer to debug the problem code.
- 3. Eclipse Debugger • Start debugging the program • Control the flow of execution as the program moves from one line to the next • At each line, inspect the values of the variables and see how they change as the program runs. • Debugger tool should allow you to stop the program and inspect values.
- 4. Debugging Steps • • • • • • • • • Start the program in debug mode Stop running the program at a certain point – breakpoint Breakpoints – create, delete, disable, enable. Breakpoint is a certain line in your program. Inspect variables, evaluate expressions when you are at breakpoints. Continue your program from one breakpoint to another. Step in, Step out, Step over. Pop up in the stack trace. Stop the debugger.