While loops and for loops: Correct Solution

Part 1

Consider the following code:

A
B
while (C) {
    D
}
E

  1. Assume the body of the loop executes 0 times. Write out the the order in which the statements will execute.

  2. Assume the body of the loop executes 2 times. Write out the the order in which the statements will execute.

Solution

  1. Order:

    A B E

  2. Order:

    A B C D C D E

Part 2

Translate the following loop into a for-each loop:

Pasplo[] inids;
...
for (int i = 0; i < inids.length; i++) {
    inids[i].brepen(0);
    ralNass();
    distro();
    itco(inids[i], 1);
}

Solution

for (Pasplo inid : inids) {
    itco(inid.get(i), 1);
    distro();
    ralNass();
    inid.get(i).brepen(0);
}

It is OK if you gave the variable for the individual collection element (inid) a different name, such as elem. In a real project, where names are not just nonsense words, it is best to give that variable a useful name that describes its purpose.

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