Java.util.Date Class


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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


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