java convert date to long

To convert a java.util.Date object to a long value in Java, you can use the getTime method of the Date class, which returns the number of milliseconds since the Unix epoch (January 1, 1970, 00:00:00 GMT).

Here is an example of how you can convert a java.util.Date object to a long value in Java:

Date date = new Date();
long time = date.getTime();

In this example, we have a Date object called date that represents a specific date and time. We use the getTime method to get the number of milliseconds since the Unix epoch, and assign the value to a long variable called time.

You can then use the time variable to perform operations on the date and time, such as formatting it as a string or comparing it to another date.