ITSC 1213 UNCC practice final exam
If the code inside a try block throws a FileNotFoundException and an IOException, which of the
following are correct ways of handling this (i.e. results in code that compiles)? (Select all that apply)
Having multiple catch block starting with IOException followed by an FileNotFoundException
Having one catch block that catches FileNotFoundException and declaring the method to throw an
IOException
Having one catch block that catches Exception
Having multiple catch block starting with FileNotFoundException followed by an IOException
Having one catch block that catches FileNotFoundException
Having one catch block that catches IOException ✔✔Having multiple catch block starting with
FileNotFoundException followed by an IOException
An abstract class can be _____________.
instantiated
all of the above
extended
without constructor ✔✔extended
You define a class, Shape, and create an object of Shape called triangle. You do not include a toString()
method in Shape. Would the following code compile and execute normally:
triangle.toString();
No. This code will cause a execution error, because you did not specifically inherit the Object class.
No. This code will produce a compile error, because you did not specifically inherit the Object class.
Yes. Because Java will recognize that the method is missing and will automatically generate the
toString() method for you.
Yes. Because Shape inherits the Java class, Object. Object includes a toString() method which is
automatically inherited by your class, Shape. ✔✔Yes. Because Shape inherits the Java class, Object.
Object includes a toString() method which is automatically inherited by your class, Shape.
An array can have several different types of data simultaneously.
