This question stumped me when I first took a look at it. There is no minimize or restore method in JFrame, or java.awt.Frame for that matter. However, I knew there had to be a way-as JFrames frequently need to be restored programmatically.
Confidence votes 298K. The avarage cost of a Midas Basic Oil Change is about $29.99. Often Midas has special promotions or hands out coupon so on can get the Basic Oil Change for $19.99. The avarage cost of a Midas Basic Oil Change is about $29.99.
This month, when I got my bill, I saw that the price was $2.10 per gallon. The absolute change in the price of heating oil during that month was. 2.10  1.99 = 0.11 $ per gallon. We say that the price of heating oil increased by 11 cents that month. You can also use percentage change to describe change. To calculate the percentage change: find the absolute change, then divide that number by the original amount.