final --> for primitives --> value can't change. for non-primitives --> you can't change the reference and point it to another object. Note : It is different from immutability.
Hands down, the Bluetooth speaker with the longest battery life is the Fugoo. It offers up to 40 hours of battery life, nearly twice the battery life of other leading Bluetooth speakers in this category. Given how long its battery lasts, you might even forget that the Fugoo needs to be plugged in to charge.
With more than 59 years of service, Representative John Dingell, Jr. , of Michigan, holds the record for longest consecutive service. Longest-serving Speaker of the House: Sam Rayburn of Texas served as Speaker for a total of 17 years, two months, and two days. Oldest person recorded to have served in the House: