static final域变量性能更优是确实的。

This is true of final, static, and static final fields too.

youdao

杨赤中法与克立格法，都是对空间域变量进行估计的方法。

Both Yang Chizhong method and Kriging can be used to estimate any variable distributed in space field.

youdao

故名思意，“隐式类型局部变量”将无法用于域变量或常量的声明中，否则将导致编译错误。

Also as the name says, implicitly typed local variable, you cannot use var for field declaration or constant variables, therefore following declarations will both produce a compiler error.

youdao