Exercise : while loop basics

Consider the following loop.

int x = 1;
System.out.print(x);
while (x < 100) {
    x = x + x;
    System.out.print(", " + x);
}
How many times does the code in the while loop execute? 7
What output is produced by the overall code? 1, 2, 4, 8, 16, 32, 64, 128