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CSC 1351 Midterm Question And Solution Paper 2024/2025 $14.99   Add to cart

Exam (elaborations)

CSC 1351 Midterm Question And Solution Paper 2024/2025

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obstraction Answer: (information hiding) hiding any information that is unnecessary to the user Encapsulation Answer: Grouping into a class of various objects along with their attributes and methods - meaning, grouping related items into a single unit. This helps handle more comp...

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  • August 30, 2024
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  • 2024/2025
  • Exam (elaborations)
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CSC 1351 Midterm Question And Solution
Paper 2024/2025

obstraction Answer: (information hiding) hiding any information that is unnecessary to the user



Encapsulation Answer: Grouping into a class of various objects along with their attributes and
methods - meaning, grouping related items into a single unit. This helps handle more complex types of
data, such as images and graphs.



Principle of Least Privilege Answer: A security discipline that requires that a particular user, system,
or application be given no more privilege than necessary to perform its function or job.



inheritance establishes a ____________ relationship between classes Answer: "is a"



Polymorphism Answer: when a method can take a different shape



What are the 4 operations on files? Answer: 1. Create

2. Delete

3. Read

4 Write



%d Answer: decimal integer [byte,short,int,long]



%f Answer: Floating point number [float,double]



\n Answer: new line

, \t Answer: tab space



- Answer: Left alignment (Ex - 1.23 followed by spaces)



0 Answer: show leading zeros (Ex- 001.23)



+ Answer: Show a plus sign for positive numbers (Ex - +1.23)



( Answer: Encloses negative numbers in parentheses (Ex- (1.23) )



, Answer: Show decimal separators (Ex- 12,300)



^ Answer: Convert letters to uppercase



import java.io.File Answer: tells java that you are going to use a file opener



import java.io.FileNotFoundException Answer: Allows you to import a file, even if there might be an
error, overrides java



import java.io.PrintWriter; Answer: enables you to write formatted data to an underlying Writer.
For instance, writing int, long and other primitive data formatted as text, rather than as their byte
values.



import java.util.Scanner; Answer: the import statement for the Scanner class



What 4 imports are needed for reading a file? Answer: 1. import java.io.File;

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