Force.com Apex Interview Questions and Answers

Apex Interview Questions and Answers

1. What is a Apex programming language?
2. What is the use of Apex in Salesforce?
3. How to compile and run apex programms?
4. Is Apex Supports Oop's Concepts?
5. What is a class in Apex?
6. what is a Variables in apex Class?
7. What is a Method In apex Language?
8. where we can write apex classes?
9. What are the Apex Class Naming Conventions?
10. What is a Namespace Prefix?
11. What are the data types and Variables supported by apex?
12. What are the Control Flow Statements in Apex?
13. What are the collection types Used in Apex?
14. What is the difference between List and Set?
15. What is a constructor? and How to write a apex constructor?
16. What are the Access Modifiers in Apex?
17. What is the difference between Global and Public classes?
18. What is the difference between Private and Protected?
19. What is the difference between Apex classes and Java classes?
20. Waht is a with sharing and Without Sharing classes in Apex?
21. What is a transient Keyword?
22. What are the differences between static and non-static variables in Apex?
23. What is a Interface? why we need to use?
24. What is a Annotaions in Apex?
25. What is a Future Annotation?
26. What is IsTest Annotation in Apex?
27. What is TestVisible Annotation?
28. What is TestSetup Annotation?
29. What is ReadOnly Annotation?
30. What is RemoteAction Annotation?
31. What is AuraEnabled Annotation?
32. What is a Apex Code Versions? and What is the use of it?
33. How to Setup the Salesforce API Version for Classes and Triggers?
34. How to Retrive Data from Objects in Apex?
35. What are the DML Operations we can perform in Apex?
36. What is the difference between DML Statements and Database Class Methods?
37. How to handle DML Exceptions in Apex?
38. How to Restore Deleted Records using apex?
39. How to Convert a lead in Apex programming?
40. What are DML Options Settings?
41. What is a Mixed DML Operations in Test Methods?
42. Tell me any 5 sObjects That Don’t Support DML Operations?
43. What is Record Locking in Apex?
44. What is a Dynamic Apex?
45. How to Share a record Using Apex?
46. How to call Custom Settings in apex?
47. How many ways to Invoke apex classes?
48. How to Call Apex from Anonymous Blocks?
49. How to Invoke Apex class from Triggers?
50. How to Invoke Apex Using JavaScript?
51. What are the Apex Governor Limits? list some limits?
52. Can we call One Future method to another futher method?
53. Can we delete Reports Using Apex?
54. How to create Chatter post from Apex?
55. How to get the record type Id in Apex?
56. How to get the Current page Url In Apex?
57. How to Deploying Apex code from Sandbox environment to a Production Organization?

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