OCA / OCP Java SE 8 Programmer Practice Tests

Chapter 4Creating and Using Arrays

THE OCA EXAM TOPICS COVERED IN THIS PRACTICE TEST INCLUDE THE FOLLOWING:

• Creating and Using Arrays
  • Declare, instantiate, initialize and use a one-dimensional array
  • Declare, instantiate, initialize and use multi-dimensional arrays

1. What symbol is used for a varargs method parameter?

   1. ..
   2. ...
   3. --
   4. ---

2. Fill in the blank in the following code to get the first element from the varargs parameter.

   public void toss (Frisbee... f) {
      Frisbee first = ____________;
   }

   1. f
   2. f[0]
   3. f[1]
   4. None of the above

3. Which of the following are primitives?

   int[] lowercase = new int[0];
   Integer[] uppercase = new Integer[0]; ...