while « Statement « Ruby

1.Here's the formal specification for the while loop:
2.The while Loop
3.Another form you can use is with begin/end
4.The while loop executes its contained code while a condition that you specify remains true.
5.While loop with array length
6.loop code based on the result of a comparison made on each loop
7.use while loop to convert elements in an array to capitalized case
8.Replace one array with another