1. Identify 5 exceptions in below code

public class Calc {

public static int calc(int p1, int p2, String oper)
{
    if (oper.equals("Add"))
    {
        return (p1 + p2);
    }
    else if (oper.equals("div"))
    {
        return (p1 / p2);
    }
    else
        throw new Exception("Exception");

    return (-1);
}

}

1. List all the methods used in REST webservice.

2. Manual test cases for the login screen.

3. Selenium code for the Login screen with a data provider.

4. Identify 5 exceptions in the below code:

java public class Calc {

public static int calc(int p1, int p2, String oper) {

    if (oper.equals("Add")) {
        return (p1 + p2);
    } else if (oper.equals("div")) {
        return (p1 / p2);
    } else {
        throw new Exception("Exception");
    }

    return (-1);
}

}