logo Practice-It logo

Main Page → Problems → Solve a Problem

assertions

Language/Type: Java assertions while loops
Author: Marty Stepp (on 2010/12/28)

For each of the five points labeled by comments, identify each of the assertions in the table below as either being always true, never true, or sometimes true / sometimes false. 

public static int funky(int a, int digit) {
    int count = 0;

    // Point A
    while (a != 0) {
        // Point B
        if (a % 10 == digit) {
            count++;
            // Point C
        } else if (count > 0) {
            count--;
            // Point D
        }
        a = a / 10;
    }

    // Point E
    return count;
}

Fill in each box of the the table below with ALWAYS, NEVER or SOMETIMES.

a == 0 a % 10 == digit count > 0
Point A
Point B
Point C
Point D
Point E

You must log in before you can solve this problem.


Log In

If you do not understand how to solve a problem or why your solution doesn't work, please contact your TA or instructor.
If something seems wrong with the site (errors, slow performance, incorrect problems/tests, etc.), please

Is there a problem? Contact a site administrator.