java字符串运算

public class formula{  
  
    static ScriptEngine jse = new ScriptEngineManager().getEngineByName("JavaScript");  
  

    public static void main(String[] args) {  
        String formula = "1+1*2+(10-(2*(5-3)*(2-1))-4)+10/(5-0)";  
        try {  
            System.out.println(jse.eval(formula));  
        } catch (Exception t) {  
        }  
    }  
}