For self-reference, this article shows you how to create a Abstract class for Spring Controller, or a template method design pattern.

Date: 2019-08-17 View: 1520

This ABS() function returns absolute value of a number, for example, the absolute value of 5 is 5, and the absolute value of -5 is also 5. In Mathematics, absolute value can be think of as a distance from zero.

Date: 2019-08-11 View: 1520