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Harish GSHarish GS 

HOW TO START WITH SALESFORCE 501 I AM STUCK

I DONE 201 AND 401 NOW I WANT TO STUDY 501 ...
PLS GUID WITH UR EXPERNCIES 
James LoghryJames Loghry

By not typing in all upper caps / "yelling".  Kidding aside, the links posted by sfdc_wave are a great start. I'll also add a few items:

Order of execution is important. https://www.salesforce.com/us/developer/docs/apexcode/Content/apex_triggers_order_of_execution.htm

You'll want to study the various controllers you can use with visualforce, and how the order of those effects class loading, for instance.

Object oriented features like private / public / global and what those mean.

Read up on these other blogs here: 

  • http://www.forceprepare.com/advancedeveloperfaq.html
  • http://www.sales4s.net/salesforce-advanced-developer-certification-501-study-notes
  • http://corycowgill.blogspot.com/2011/05/passing-forcecom-advanced-developer-501.html
Take the practice exam on Salesforce University's 501 certification site. 

And most important is to have patience.  The 501 exam is a much slower process than 201 or 401.  Although it's improved since I've taken it, it took about 9 months from start to finish for me, and I was able to get into the first programming assignment window.

Cheers, and good luck.