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IT Prelim 2022 Section B Java Walkthrough
Question Paper and Scenario
Question Paper
Scenario (6:28)
Setup Workspace
Setup Workspace (1:04)
Question 2
Question 2.1 - Fields (3:52)
Question 2.2 - Constructor (4:41)
Question 2.3 - Accessor methods (1:11)
Question 2.4 - Display array in a String (3:35)
Question 2.5 - Time since release: Period Class with LocalDates (7:06)
Question 2.6 - toString() (3:41)
Question 2.7 - String Manipulation method (5:31)
Question 3
Question 3.1 - Inherited Class Fields (2:04)
Question 3.2 - Creating Constants (1:14)
Question 3.3 - Constructor for inherited class (3:10)
Question 3.4 - Use constants to return useful String (3:20)
Question 3.5 - toString() in inherited Class (1:07)
Question 4
Question 4.1 - Inherited Class Fields (1:11)
Question 4.2 - Constructor for inherited class (1:08)
Question 4.3 - Access and Mutator methods (1:21)
Question 4.4 - Mutator method (0:42)
Question 4.5 - toString() in inherited Class (1:25)
Question 5
Question 5.1 & 5.2 - Create Manager class with array of objects (3:05)
Question 5.3 - Reading from the text file (26:44)
Question 5.4 - return String of all objects in the array (6:19)
Question 5.5 - sort() method (8:49)
Question 6
Question 6.1, 6.2 & 6.3 - UI Class (5:56)
Running Question 6 - Troubleshooting (4:25)
Question 7
Question 7.1 - Problem Solving (21:32)
Question 7.2 & 7.3 - Call problem solving methods (1:49)
Question 4.5 - toString() in inherited Class
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