Lesson: 34 | Which day did you born?

User Story

Create a program which debugs the day you born

Year and Month must be dynamic.

Code

Specific Date

Datetime myDOB = Datetime.NewInstance(1983,3,2);
String dayofMyDob = myDOB.format('EEEE');
System.debug(dayofMyDob);

Year and Month Dynamic

Integer y =1983;
Integer m =3;
Integer d =2;
Datetime myDOB = Datetime.NewInstance(y,m,d);
String dayofMyDob = myDOB.format('EEEE');
System.debug(dayofMyDob);

In a Class as a Method

public class UsefulApexCodes {
    
    public static void BasicApex15(Integer y, Integer m, Integer d){
        Datetime myDOB = Datetime.NewInstance(y,m,d);
        String dayofMyDob = myDOB.format('EEEE');
        System.debug(dayofMyDob); 
    }
    
}

Test Class

@isTest
public class UsefulApexCodesTest {

    @isTest
    static void testBasicApex15() {
        // Test with a known date of birth
        Integer y = 2000;
        Integer m = 1;
        Integer d = 1;
        UsefulApexCodes.BasicApex15(y, m, d);
    }
}

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Exercises

A. Administrator | Exercises (62 lessons)

B. Flow Builder | Exercises (79 lessons)

C. Apex Beginner | Exercises (78 lessons)

01 | User Login Form

02 | Check if a number is odd or even

03 | Generate Full Name

04 | Add two numbers

05 | Square Root of a Number

06 | Calculate the Area of a Triangle

07 | Generate a Random Number

08 | Convert Kilometers to Miles

09 | Opportunities within a Specific Amount Range

10 | Cube of a number

11 | Case Transformation of Mixed Casing in a String

12 | Accounts with Related Contacts

13 | Days of a Month

14 | Calculate the maximum of three integers.

15 | Sum of the elements of two Lists

16 | Sum of the numbers from 1 to 10

17 | The greatest element of a List

18 | Finding the Maximum Number in a List Using

19 | The average of the elements of a List

20 | Account-Contact Verification

21 | Accounts with Associated Contacts

22 | Accounts with Open Cases and Unclosed Opportunities

23 | Account and Case Connection

24 | Initializing a New Set

25 | Create a Map

26 | Create a List of Colors

27 | Iterate over a List

28 | Maps

29 | Convert a List to a Set

30 | Convert a Set to a List

31 | Days of a specific month and a year in words

32 | Multiplication Table

33 | Voter Eligibility Checker

34 | Which day did you born?

35 | How long have you been living?

36 | How many days are there in the current year?

37 | What is the sum of multiples of 7 between 1 and 1000?

38 | The sum of the Perfect Squares

39 | Check if a List of integers contains only odd numbers?

40 | Sum of all elements in integer array?

41 | Merge two Lists

42 | Is your name palindrome?

43 | Convert all the element to UpperCase

44 | Secure Password

45 | Average Annual Revenue by Account Rating

46 | Accounts with Related Cases

47 | Active Owner and Creator Accounts

48 | Accounts with Two or More Related Contacts

49 | Number Parity Checker

50 | Split Full Name into First and Last Name Variables

51 | Contact Lookup for Account Management

52 | Opportunity Tracking for Sales Forecasting

53 | High Priority Case Management

54 | Lead Conversion Tracking

55 | Account Lookup by Email

56 | High-Value Opportunity Tracking

57 | Sales Lead Tracking

58 | Inactive Account Monitoring

59 | View Comprehensive Information about Accounts and Related Records using SOQL Query

60 | View Cases for Accounts Starting with "Bank"

61 | Advanced Account and Contact Search

62 | Account Health Check

63 | Opportunity Pipeline Report

64 | Upcoming Opportunities

65 | Identify Accounts with Contacts and No Closed Opportunities or Cases

66 | Identifying Even Numbers in a List

67 | Calculating and Displaying Megan's Age

68 | Create Random American Named Contacts in Salesforce

69 | Email Address List Conversion

70 | Bulk Update Account Ratings

72 | Creating a New Automated User

73 | Account and Contact Generation

74 | Month Name to Numeric Representation Conversion Utility

75 | Retrieve Accounts with Related Contacts and Cases

79 | Mass Update of User Roles to Null

Discount Calculator

Grade Converter

Simple Number Checker

D. Apex Intermediate | Exercises (97 lessons)

E. Integration | Exercises (6 lessons)

F. Lightning Web Component (LWC) Exercises (34 lessons)

Lesson: 34 | Which day did you born?

User Story

Expected Outcome

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Exercises

Lesson: 34 | Which day did you born?

User Story

Exercises

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