31 lines
1006 B
Java
31 lines
1006 B
Java
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import java.util.*;
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public class MainArithmetique {
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public static String calculateur(String val, ArrayDeque<String> pile){
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switch(val){
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case "+":
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return String.valueOf(Integer.parseInt(calculateur(pile.pop(), pile))+Integer.parseInt(calculateur(pile.pop(), pile)));
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case "-":
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return String.valueOf(-(Integer.parseInt(calculateur(pile.pop(), pile)))+Integer.parseInt(calculateur(pile.pop(), pile)));
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case "x":
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return String.valueOf(Integer.parseInt(calculateur(pile.pop(), pile))*Integer.parseInt(calculateur(pile.pop(), pile)));
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case "/":
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return String.valueOf(Integer.parseInt(calculateur(pile.pop(), pile))/Integer.parseInt(calculateur(pile.pop(), pile)));
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default:
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return val;
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}
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}
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public static void main(String[] args) {
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ArrayDeque<String> pile = new ArrayDeque(args.length);
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String result;
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for (int i=0; i<args.length; i++){
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pile.push(args[i]);
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}
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result = calculateur(pile.pop(), pile);
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System.out.println("\n = "+result);
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}
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}
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