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I need to get some input from user in my application, and then use it in Java. But, it is quite more complicated than get some value from GUI and assign it to variable. The value should be processed according some rules.
For example:
input from user is string “2 + 3”, then he clicks “RUN” button, and when the button is clicked I need to assign “2” to one variable, “3” to next variable, and then make SUM of it.
I suggest you use http://www.beanshell.org/ This tool is used in a number of IDEs with the debugger to evaluate expressions.