Java

TOPIC 23 – ENHANCED FOR LOOP

LESSON WORK

QUESTION 1

Create an ArrayList that hold 20 random numbers. Use the enhanced for loop to go through all numbers and calculate the total. Output the total to screen.

QUESTION 2

a) Create a Stack object that holds 5 numbers.

b) Using an enhanced for loop, output each stack item to the screen (using the pop method). Notice that this gives you an error.

c) Replace the above for loop by a traditional for loop. Careful, that you loop the correct number of times!