To use the Date object, you assign a variable as a new Date, like this:
Date object accepts six parameters: year, month, day, minutes, seconds, and milliseconds. You don't need to use all the parameters.
If you don't insert any values in the parentheses
(), the parameters default to the current date and time.
Example Use of the Date Object
To set a date to 12/12/12, you might write:
Now you can apply various methods to
eclipse to manipulate the Date object. For example, let's suppose you want to know what day of the week this is. You would write:
The result is 6. This means that 12-12-2012 falls on a Friday. (Remember that the first day of the week is a 0, not a 1.)
Here's another example:
This returns 3, which corresponds to Wednesday.
Available Methods for the Date Object
The Date object has a variety of methods:
The getTime Method
.getTime method seems odd (returning milliseconds since 1970) but is actually useful in conditional statements. You can't ask if two dates are equal to each other, because dates aren't regular numbers. However, you can ask which date has a larger number of milliseconds since 1970.
getTime method is a way of converting dates to numbers.
Here's how you might use
Using the setDate Method
In addition to
.getDate, there are equivalent methods for setting the date using
setDate. The following are available methods for