Which of the following is an exit-controlled loop?

1. for
2. do-while
3. while
4. None of these

Which of the following is an invalid loop?

1. repeat
2. while
3. do-while
4. for

How many times will the following code print "Hello"?

for (int i = 1; i <= 5; i++);
{
    System.out.println("Hello");
}

1. 0
2. 1
3. 5
4. 4

What will be the output of the following code?

public static void main(String args[])
{
    int sum = 0;
    for (int i= 1; i <= 5; i++)
    {
        sum = i;
    }
    System.out.println(sum);
}

1. 15
2. 21
3. 5
4. 0