1. Squaring numbers Write a program to display the numbers 1 to 5 and their squares, one number (and its square) per line in a text area. Use the string "\n" to move to the start of a new line. 2....

1. Squaring numbers Write a program to display the numbers 1 to 5 and their squares, one number (and its square) per line in a text area. Use the string "\n" to move to the start of a new line.

2. Rewrite the stars program using while instead of for.

3. What is displayed when the following statements are executed?

int n, m;

n = 10;

m = 5;

while ((n > 0) || (m > 0)) {

n = n - 1;

m = m - 1;

}

JOptionPane.showMessageDialog(null,

("n = " + Integer.toString(n) +

" m = " + Integer.toString(m)));