![]() ![]() Set method breakpointsĬlick the gutter at the line where the method is declared. If the line contains a lambda expression, you can select whether you want to set a regular line breakpoint, or the program should only be suspended when the lambda is called. Alternatively, place the caret at the line and press Ctrl+F8. They apply globally to the exception condition and do not require a particular source code reference.Ĭlick the gutter at the executable line of code where you want to set the breakpoint. For example, if at the end of a complicated process you are ending up with an obviously wrong value on one of your fields, setting a field watchpoint may help determine the origin of the fault.Įxception breakpoints: suspend the program when Throwable or its subclasses are thrown. This allows you to react to interactions with specific instance variables. Method breakpoints: suspend the program upon entering or exiting the specified method or one of its implementations, allowing you to check the method's entry/exit conditions.įield watchpoints: suspend the program when the specified field is read or written to. This type of breakpoints can be set on any executable line of code. Line breakpoints: suspend the program upon reaching the line of code where the breakpoint was set. The following types of breakpoints are available in IntelliJ IDEA: Note that IntelliJ IDEA must be running when such changes are made, otherwise they will pass unnoticed. If a file with breakpoints was modified externally, for example, updated through a VCS or changed in an external editor, and the line numbers have changed, breakpoints will be moved accordingly. ![]() ![]() Once set, a breakpoint remains in your project until you remove it explicitly, except for temporary breakpoints). Breakpoints can be simple (for example, suspending the program on reaching some line of code) or involve more complex logic (checking against additional conditions, writing log messages, and so on). This lets you examine the program state and behavior. Breakpoints are special markers that suspend program execution at a specific point. ![]()
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