[SalesForce] How to convert string into Date format

I have 3strings. I want to convert it into date

How to achieve this ?

string a='20';
string b='4';
string c='1993';

String dt = DateTime.newInstance(a,b,c).format('d-MM-YYYY');

Best Answer

Alternatively, the way you were headed it's something like this:

String dt = Date.newInstance(Integer.valueOf(c),Integer.valueOf(b),Integer.valueOf(a)).format();

Keep in mind:

The newInstance method takes Integers as parameters
format() will format the date in the current user's locale

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[SalesForce] How to convert string into datetime format

Please use parse() method instead of valueOf() method.

Datetime dt = Datetime.parse(myDate);

Please refer for more details on DateTime Methods: https://www.salesforce.com/us/developer/docs/apexcode/Content/apex_methods_system_datetime.htm#apex_System_Datetime_parse

UPDATE:

I've provided the code for you which I tested.

DateTime startDT2 = DateTime.now();
system.debug('select dt2>>>'+ startDT2);
String myDate = startDT2.format('M/d/yyyy h:mm a'); 
system.debug('select mydate>>>'+ myDate);
Datetime dt = Datetime.parse(myDate);
system.debug('date_string >>>'+ dt);

The result is 16:18:50:041 USER_DEBUG [7]|DEBUG|date_string >>>2014-12-09 10:48:00

[SalesForce] How to convert Date to format “YYYY-MM-DDThh:mm:ss-hh:mm”

I tried "yyyy-MM-dd\'T\'HH:mm:ss.SSSXXX" pattern and I am able to convert Date from "YYYY-MM-DD" to "YYYY-MM-DDThh:mm:ss-hh:mm" format as given below-

Date d = System.today();
Datetime myDT = datetime.newInstance(d.year(), d.month(),d.day());
String myDate = myDT.format('yyyy-MM-dd\'T\'HH:mm:ss.SSSXXX');

"YYYY-MM-DDThh:mm:ss-hh:mm" is ISO 8601 format. Check this link- https://www.w3.org/TR/xmlschema-2/#isoformats for ISO formats.

Refer http://docs.oracle.com/javase/7/docs/api/java/text/SimpleDateFormat.html for formatting and parsing dates.

Best Answer

Related Solutions

[SalesForce] How to convert string into datetime format

[SalesForce] How to convert Date to format “YYYY-MM-DDThh:mm:ss-hh:mm”

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