The dequeue method will also use method incrementIndex to add one to frontIndex (with wrap-around) before returning the value that was at the front of the queue. The other queue methods (empty and size) are the same as those methods for the Stack class -- they just use the value of the numItems field.
In other words, drinking alcohol is not entirely positive. Excessive drinking can cause increased risk of stroke, arrhythmia (irregular heartbeat), and heart muscle disease. Excessive calories that you can get from alcohol can raise your triglyceride (another kind of bad cholesterol). And the increased triglyceride can be potential to affect your LDL to rise.
How alcohol affects your appearance. Over indulging in alcohol can affect the way you look the next day â and in the future... We'll say it fast to be kind, but alcohol is fattening. In fact, a pint of 4% beer or two double gin and tonics equals around one burger! You might be surprised to find out what the calorie equivalents are in junk food of your favourite drinks. Check the units you're drinking and see their food equivalents with our Unit and Calorie Calculator.