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.
Our list of Best Bluetooth Speakers might include some of the best sounding cans, but many of these designer speakers could not survive the beating of a week-long hike. Weâve compiled a new list of speakers of brands that are built to last in outdoor environments.