Java Learning Note-date class

Contains a date class in the standard Java class library. Its object represents a specific moment, accurate to milliseconds.

The representation of time in Java is also a number, which is the number of milliseconds from the standard era 1970.1.1 0 o'clock to a certain time, and the type is long.

Jdk:

Returns a current time

Date d = new Date ();

Long T = System.currenttimemillis ();//Returns a current time

System.out.println (t);

Java Learning Note-date class