/*
* Determine the maximum depth of a recursive function in Java
* @author gtowell
* Created: July 21, 2021
 */
public class RecursionTest {
    // javac RecursionTest.java
    // java RecursionTest > oo 2> ooo
    // thenlook on ooo for Exception
    // my machine 9843
    // java -cp . -Xss4m RecursionTest 2> ooo
    // my machine 42603
    private static void recurse(int i) {
        try {
            System.err.println(i);
            recurse(i + 1);
        } catch (Error e) {
            System.out.print("Recursion depth on this system is " + i + ".");
        }
    }

    private int cc = 0;
    public void ccrecurse() {
        try {
            System.out.println(cc++);
            ccrecurse();
        } catch (Error e) {
            System.err.print("Recursion depth on this system is " + cc + ".");
        }
    }

    public void nsrecurse(int i) {
        try {
            System.err.println(i);
            nsrecurse(i + 1);
        } catch (Error e) {
            System.out.print("Recursion depth on this system is " + i + ".");
        }
    }

    public static void main(String[] args) {
        //recurse(0);
        (new RecursionTest()).nsrecurse(0);
        //(new RecursionTest()).ccrecurse();
    }
}