Marc Chee
3,730 views • Streamed live on Mar 9, 2021
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COMP1511 - Programming Fundamentals Week 4 - Lecture 7
COMP1511 - Programming Fundamentals Week 4 - Lecture 7
1:33
What did we learn last week? Code Style and Code Reviews • Making our code understandable Functions • Separating code for reuse
What did we learn last week? Code Style and Code Reviews • Making our code understandable Functions • Separating code for reuse
5:20
What are we covering today? Functions and Libraries A recap of functions Using functions from other files Arrays and 2D Arrays • A recap of arrays • Arrays inside arrays!
What are we covering today? Functions and Libraries A recap of functions Using functions from other files Arrays and 2D Arrays • A recap of arrays • Arrays inside arrays!
7:27
Recap of Functions Code outside of our main that we can use and reuse • Has a name that we use to call it • Has an output type and input parameters • Has a body of code that runs when it is called • Uses return to exit and give back its output
Recap of Functions Code outside of our main that we can use and reuse • Has a name that we use to call it • Has an output type and input parameters • Has a body of code that runs when it is called • Uses return to exit and give back its output
9:36
Why use functions? Why do we separate code into functions? Saves us from repeating code . Instead of replicating code, we can write it once • This also makes the code much easier to modify Easier to organise code
Why use functions? Why do we separate code into functions? Saves us from repeating code . Instead of replicating code, we can write it once • This also makes the code much easier to modify Easier to organise code
14:46
Recap of Arrays A collection of variables • Contains multiple variables all of the same type • Declared using a variable type and a size • Individual variables are accessed using an index
Recap of Arrays A collection of variables • Contains multiple variables all of the same type • Declared using a variable type and a size • Individual variables are accessed using an index
42:21
Accessing multiple values at once Loops and Arrays go together perfectly . Accessing all elements is a reasonably simple while loop
Accessing multiple values at once Loops and Arrays go together perfectly . Accessing all elements is a reasonably simple while loop
44:58
Two Dimensional Arrays Arrays inside arrays • Can be thought of like a grid The outer array contains arrays • Each of those is a row of the grid • Addressed using a pair of integers • All inner arrays are of the same type
Two Dimensional Arrays Arrays inside arrays • Can be thought of like a grid The outer array contains arrays • Each of those is a row of the grid • Addressed using a pair of integers • All inner arrays are of the same type
54:03
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Marc Chee
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