Java Programming

My goal is to retrieve the mathematical value of a String. E.g:

public class Calculator {
    
    public static void main(String args[]) {
        System.out.println(Calculator.calc("3 + 2"));
    }
    
    public static double calc(String calculation) {
        double result;
        //Calculate
        return result;
    }
}

Is there a class or a library that has this functionality? If so, where could I find this.

Thanks in advance

Vincent