Assertions

Question : 3 of 6

Marks: +1, -0

Given:

1. int z = 5;
2.
3. public void stuff1(int x) {
4.   assert (x > 0);
5.   switch(x) {
6.    case 2: x = 3;
7.    default: assert false; } }
8.
9. private void stuff2(int y) { assert (y < 0); }
10.
11. private void stuff3() { assert (stuff4()); }
12.
13. private boolean stuff4() { z = 6; return false; }

Which statement is true?

All of the assert statements are used appropriately.
Only the assert statement on line 9 is used appropriately.
The assert statements on lines 7 and 9 are used appropriately
The assert statements on lines 4 and 7 are used appropriately
The assert statements on lines 7 and 11 are used appropriately
The assert statements on lines 7, 9, and 11 are used appropriately.
The assert statements on lines 4, 7, and 9 are used appropriately

Validate

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