How are these statements different from each other?
i. break

ii. continue

iii. System.exit(0)

iv. return

Identify all the errors in the following statements.

for (int i = 5; i > 0; i++)
{
    System.out.println("Java is fun!");
}

Identify all the errors in the following repetitive statements.

while (x == y)
{
    xx = yy;
    x = y;
}

What is an empty statement? Explain its usefulness.