What is the output of the following subcode:
int x = 1; while (x < 50) { x *= 2 } System.out.print(x + “is the output.”);
How many times does the inner while loop execute?
int j = 0, x = 0;
while ( j++ < 100 ) {
int k = 100;
while ( k - - > 0 ) {
x++;
}
}
Write a loop that simulates a countdown from 60 seconds down to zero. Your product should output: Countdown: 60… 59… 58… (and so on to)… Blast-off!
Write a main method that asks the user for the side length of a square, prints the perimeter, and prints the area. Use two helper methods that calculate perimeter and area. Do not do it in the main method.
Consider the following method and fill in the blank (//Your Code):
public void arithmetic (int a1, int d, int an) { // Your Code }
Implement a code that mimics the following examples:
arithmetic (3,5,40) would print 3 8 13 18 23 28 33 38
arithmetic (-10, 7, 25) would print -10 -3 4 11 18 25
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