Java Basics about the final modifier

Final as a modifier, you can decorate classes, variables, functions. 1, the final modified class can not be inherited (protection of encapsulation), in order to avoid being inherited, quilt class replication; 2, the final modified function can not be replicated 3, the final modified variable is a constant, can only be assigned once, can modify the member variable, but also can modify the local variable. When do you use final retouching? When describing things, the value of some data is fixed, then in order to enhance the reading, the values are given a name, and these values do not need to change, so add final decoration.

Java Basics about the final modifier