Java Compare pro

Compare two Java Date objects

import java.util.Date;

public class CompareDateUsingAfterExample

{

 public static void main(String[] args)

{

Date d1 = new Date();

 try

{

Thread.sleep(10);

}

catch(Exception e)

{

}

Date d2 = new Date();

System.out.println("First Date : " + d1);

System.out.println("Second Date : " + d2);

System.out.println("Is second date after first ? : " + d2.after(d1));  

   }

}

Compare two Java Date objects using before method

import java.util.Date;

public class CompareDateUsingBeforeExample

{

public static void main(String[] args)

{

 Date d1 = new Date();

try

{

Thread.sleep(10);

}

catch(Exception e)

{

}

Date d2 = new Date();

   

System.out.println("First Date : " + d1);

System.out.println("Second Date : " + d2);

System.out.println("Is first date before second ? : " + d1.before(d2));    

   }

}

Compare two Java Date objects using compare To method

import java.util.Date;

public class CompareDateUsingCompareToExample

{

public static void main(String[] args)

{

Date d1 = new Date();

try

{

Thread.sleep(10);

}

catch(Exception e)

{

}

Date d2 = new Date();

   

System.out.println("First Date : " + d1);

System.out.println("Second Date : " + d2);

int results = d1.compareTo(d2);

if(results > 0)

System.out.println("First Date is after second");

else if (results < 0)

System.out.println("First Date is before second");

else

System.out.println("Both dates are equal");

   }

}

 Convert Date into milliseconds

import java.util.*;

public class ConvertDateIntoMilliSecondsExample

{

public static void main(String args[])

{

Date date = new Date();

System.out.println("Date is : " + date);

System.out.println("Milliseconds since January 1, 1970, 00:00:00 GMT : "

+ date.getTime());

     }

}

Create java Date from specific time

import java.util.Date;

public class CreateDateFromSpecificTimeExample

{

public static void main(String[] args)

{

Date d = new Date(365L * 24L * 60L * 60L * 1000L);

System.out.println(d);

   }

}

Simple Java Date

import java.util.*;

public class JavaDateExample

{

 public static void main(String args[])

{

 Date date = new Date();

System.out.println("Today is " + date);

}

        }

Add AM PM to time using Simple Date Format

import java.text.SimpleDateFormat;

import java.util.Date;

public class AddAMPMToFormattedDate

{

public static void main(String[] args)

 {

Date date = new Date();

String strDateFormat = "HH:mm:ss a";

SimpleDateFormat sdf = new SimpleDateFormat(strDateFormat);

System.out.println("Time with AM/PM field : " + sdf.format(date));

    }

}

Convert date string from one format to another format using SimpleDateFormat

import java.util.Date;

import java.text.ParseException;

import java.text.SimpleDateFormat;   

public class ConvertDateFormats

{

public static void main(String[] args)

 {

   String strDate = "12/12/07";

try

{

SimpleDateFormat sdfSource = new SimpleDateFormat("dd/MM/yy"); Date date = sdfSource.parse(strDate);  SimpleDateFormat sdfDestination = new SimpleDateFormat("MM-dd-yyyy hh:mm:ss");  strDate = sdfDestination.format(date);

System.out.println("Date is converted from dd/MM/yy format to MM-dd-yyyy hh:mm:ss");

System.out.println("Converted date is : " + strDate);

}

catch(ParseException pe)

{

System.out.println("Parse Exception : " + pe);

       }

   }

}