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# Class Notes for Computer Science at University of British Columbia - Okanagan

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##### COSC 111 Lecture Notes - Lecture 25: Reference Class Problem, Instance Variable, Local Variable 24HRPremium

Three Pillars of OOP - Encapsulation - Inheritance - Polymorphism (this will NOT be discussed in this course) THIS and SUPER THIS = reference than an object can use to refer to itself - a class member...

Computer Science
COSC 111
Abdallah Mohamed
##### COSC 111 Lecture 18: Lecture_18_Two_D_Arrays 24HRPremium

one-dimensional arrays Anonymous Arrays public static int sum (int... a) { int sum = 0; for(int elem: a) sum += elem; return sum; }...

Computer Science
COSC 111
Abdallah Mohamed
##### COSC 111 Lecture Notes - Lecture 15: Local Variable, Linear Regression 24HRPremium

Chapter 6: Methods modifier returnType methodName(list of parameters) { Method body; } Return vs. Void - If public static int incr(int a){}, then must return int; - If public static void incr(int a){}, doesnt return a valu...

Computer Science
COSC 111
Abdallah Mohamed
##### COSC 111 Lecture Notes - Lecture 24: Mutator Method 24HRPremium

Three pillars of OOP I. Data Field Encapsulation = set data fields private - to protect value (i.e. prevent invalid value inputted) - make code easier to maintain Getter Method (a.k.a. accessor method) = access private dat...

Computer Science
COSC 111
Abdallah Mohamed
##### COSC 111 Lecture Notes - Lecture 8: Divisor 24HRPremium

chapter 4 Converting Strings and numbers using parse method String s1= 5, s2 = 1.4; int n = Integer.parseInt(s1); this converts string 5 into the number 5 double m = Double.parseDouble(s2); this converts string1.4 into the...

Computer Science
COSC 111
Abdallah Mohamed

Computer Science
COSC 101

Computer Science
COSC 101
##### COSC 111 Lecture 23: OOP Recap 24HRPremium

RECAP OOP == Object-Oriented Programming Objects == entity - Unique identity - Attributes - Behaviour (methods) Class == blueprint - Variables - Methods - Constructors ***Primitive and Reference Data Types Constructors == ...

Computer Science
COSC 111
Abdallah Mohamed

Computer Science
COSC 101

Computer Science
COSC 101

Computer Science
COSC 101

Computer Science
COSC 101

Computer Science
COSC 101

Computer Science
COSC 101
##### COSC 101 Lecture 2: Elements of Digital Citizenship 24HRPremium

Computer Science
COSC 101
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