Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Assume there is a static method called scienceTechEngrMath that takes a String parameter. Its prototype is below:public static String scienceTechEngrMath(String department)

This method will return the answer to any department-based question, but... it will throw exceptions in the following cases:

• NullPointerException is thrown if you pass it "null" instead of an actual department string

• NotInTheDivisionException is thrown if the length of the characters in the department name is less than 7

• ThatIsInvalidDivisionException is thrown if the length of characters in the department name is more than 11 characters

private static void askDepartment(String question) {
try {
String response = scienceTechEngrMath(question);
System.out.println("1");
}
catch (NullPointerException e) {
System.out.println("3");
}
catch (NotInTheDivisionException e) {
System.out.println("5");
}
finally {
System.out.println("7");
}
}

public static void main(String[] args) {
try {
askDepartment ("Which Department do you belong to?");
askDepartment ("Arts?");
askDepartment ("Business Development?");
System.out.println("5");
}
catch (NotInTheDivisionException e)
{
System.out.println("6");
}
catch (ThatIsInvalidDivisionException e){
System.out.println("8");
}
finally {
System.out.println("10");
}
System.out.println("9");
}
}

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