Practice for AP Java Flashcard #7

Front

What is the output of this program? Options: 0, 2, 5, 7

Back

7

Front

How many total members (including inherited members) does the Child class have?

Back

3

Front

Which of the following statements would cause an error?
Options: Parent a = new Parent();, Parent b = new Parent(5);, Parent c = new Parent(2,3);, Child d = new Child(2);

Back

Child d = new Child(2);

Front

The best replacement for ?? in keyPressed is

Back

bob.turn(-10);

Front

Which line of code is NOT using encapsulation correctly? Options: line 3, line 4, line 5, lines 3,4 and 5 all use encapsulation

Back

line 5

Front

What range best matches the expression (int)Math.random()*5 ?

Back

{0}

Front

What is the most important advantage of an ArrayList over an Array?

Back

ArrayLists can change in size, Arrays are fixed in size

Front

Which statement would add a 3 between 1 and 2? Options: list.add(3);, list.add(0,3);, list.add(1,3);, list.add(2,3);

Back

list.add(1,3);

Front

Which statement would delete the 2 from the list? Options: list.delete(1);, list.remove(1);, list.remove(0);, list.delete(2);

Back

list.remove(1);

Front

What range best matches the expression (int)(Math.random()*5)-2 ? Options: {-5,-4}, {-2,-1,0,1}, {-2,-1,0,1,2}, {-2,-1,0,1,2,3}

Back

{-2,-1,0,1,2}