This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
The code you showed us looks OK to me. Are you saying it doesn't work? If "examiners" is a collection of LabelValueBean objects, your code should produce a select box in which the values are different from the labels.