Evaluating an Expression
See Also
When you are in a debugging session, you can evaluate any expression to
view the values of local variables for the current method, class
variables, and method calls.
To evaluate an expression:
- Start a debugging session.
- Choose Run > Evaluate Expression (Ctrl-F9) from the main window.
- Type the expression in the Expression drop-down and click Evaluate. The result is
Shown in the Results window.
You can set a watch for the Expression by clicking the Watch button.
The watch is added to the Watches window.
Notes:
- If you evaluate a method that changes a global variable, the global variable's
value is changed in the debugging session as well.
- If you try to evaluate a variable that is outside the scope of the current
method, the IDE says "variable" is not a known variable in current context.
You can use the Call Stack window to change the current method context.
- If you try to access a global variable before the class that contains the variable is
instantiated, the IDE says Cannot access instance variable "variable" from static context.
- See Also
- Creating a Watch
- Creating a Fixed Watch
- Using the Call Stack
- About Debugging Java Applications
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