Java.util.Date Class

Introduction

The java.util.Date class represents a specific instant in time, with millisecond precision.

Class declaration

Following is the declaration for java.util.Date class:

public class Date
   extends Object
   implements Serializable, Cloneable, Comparable<Date>

Class constructors

S.N.	Constructor & Description
1	Date() This constructor allocates a Date object and initializes it so that it represents the time at which it was allocated, measured to the nearest millisecond.
2	Date(long date) This constructor allocates a Date object and initializes it to represent the specified number of milliseconds since the standard base time known as "the epoch", namely January 1, 1970, 00:00:00 GMT.

Class methods

S.N.	Method & Description
1	boolean after(Date when) This method tests if this date is after the specified date.
2	boolean before(Date when) This method tests if this date is before the specified date.
3	Object clone() This method return a copy of this object.
4	int compareTo(Date anotherDate) This method compares two Dates for ordering.
5	boolean equals(Object obj) This method compares two dates for equality.
6	long getTime() This method returns the number of milliseconds since January 1, 1970, 00:00:00 GMT represented by this Date object.
7	int hashCode() This method returns a hash code value for this object.
8	void setTime(long time) This method sets this Date object to represent a point in time that is time milliseconds after January 1, 1970 00:00:00 GMT.
9	String toString() This method converts this Date object to a String of the form.

Methods inherited

This class inherits methods from the following classes:

• java.util.Object