Java - find the first cause of an exception

Question

I need to check if an exception is caused by some database problem. I receive an Exception and check if its cause contains the \"ORA\" string and return that (something like

Answer 1

One line solution using core Java API:

    try {
        i = 1 / 0; 
    } catch (ArithmeticException e) {
        System.out.println(new ArithmeticException().initCause(e).getCause());
    }

One more solution below works as well:

    try {
        i = 1 / 0; 
    } catch (ArithmeticException e) {
        System.out.println(new Exception().initCause(e).getCause());
    }

Both of them will print

java.lang.ArithmeticException: / by zero