algorithm - calculate a simple expression in java -


how can evaluate infix expression in java : ((1)2/4+2-1). knew can use 2 stacks : 1 1st characters(+-/). 2nd integers.

then check priorities of characters , calculate simultaneously!?

so there more perfect way calculating expression?! ..

thanks,

are writing calculator? @ reverse polish notation algorithm (that might you). can use third-party library or dynamic language (javascript engine/groovy/beanshell/google: java calculator library/etc.)


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