1. What is the difference between counter-controlled repetition and sentinel-controlled repetition?

2. When would you usually use a for loop and when would you usually use a while loop?

3. What is wrong with the following code?

int count = 0, num = 1;

while (num < 10)

{

count += num;

}

4. What is the value of num3 after these statements execute?

int num1 = 5;

int num2 = 10;

int num3 = 30;

num3 += num1++ - --num2;

5. What does the following code segment output?

for (int foo = 0; foo <= 10; foo++)

{

if (foo == 2)

continue;

if (foo == 8)

break;

System.out.println(foo);

}

6. Write an application that uses a loop to sum the even numbers from 10 to 100 and displays this value.