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IT Prelim 2021 Section B Java Walkthrough
Question Paper and Setup Workspace
Question Paper
Setup Workspace (1:33)
Scenario
Scenario (3:37)
Question 2
Question 2.1 - Create base class with fields (2:19)
Question 2.2 - Create Constants (1:33)
Question 2.3 - Constructor (7:54)
Question 2.4 - Use constants to return useful String (5:06)
Question 2.5 - Accessor methods (1:17)
Question 2.6 - calculateAge() with ChronoUnit class (6:12)
Question 2.7 - method that returns a boolean (3:54)
Question 2.8 - toString() (2:57)
Question 3
Question 3.1 - Create class that has array of Dependents (composition) (3:03)
Question 3.2 - Create constructor, parsing in array of objects (3:24)
Question 3.3 - Accessor methods (0:45)
Question 3.4 - toString() with Composition (Array of Objects) (6:35)
Question 4
Question 4.1 - Manager class with array of objects (2:13)
Question 4.2 - Reading from text file (25:38)
Question 4.3 - Display all objects in array (5:23)
Question 4.4 - sort() method (9:50)
Question 5
Question 5.1, 5.2, 5.3 & 5.4 - UI class (4:47)
Question 6
Question 6.1 - Problem-solving using search and LocalDates (13:26)
Question 6.2 - Problem-solving with helper method (19:50)
Question 6.3 - Calling problem solving methods (1:42)
Testing Code and Troubleshoot (4:01)
Question 3.3 - Accessor methods
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