Exam I date: 
Thursday March 12

- Chapter 4: writing classes

Example#1: 
Main.java
BankAccount.java

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Autome my daily workflows:
1. Replace Google with ChatGPT
2. Let AI be your coach
3. Let AI be your worker (10 - 80 - 10)
4. Create a system (document your prompt and refine them through prompt engineering)
5. AI as infrastructure (AI Engineer)
Zapier, n8n, etc...
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Chapter 5: Conditional statements

int age = 21;

if(age >= 21) {
	System.out.println("You can vote!");
}

Boolean expression: expression that is either true or false

int val1 = 12, val2 = 12;
if(val1 == val2) {
	System.out.println("They are equal");
}

if(val1 != val2) {
	System.out.println("They are not equal");
}

String str1 = "hi", str2 = "hi";
if(str1.equals(str2) == true) // True if identical in terms of value and false otherwise

char letter1 = 'a', letter2 = 'A';

if(letter2 < letter1) // True in this case

char letter = 'a';
if(letter >= 'a' && letter <= 'z') {
	System.out.print(letter + " is lowercase.");
}

// Check whether a letter is vowel or not
char letter = 'a';
if( letter == 'a' || letter == 'o' || letter == 'e' || letter == 'u' || letter == 'i' ||
letter == 'A' || letter == 'O' || letter == 'E' || letter == 'U' || letter == 'I')

String vowels = "aeouiAEOUI";

if(vowels.indexOf(letter) != -1)

// Check whether an int is even?
int val = 4;
if(val % 2 == 0)

---> if else
if(cond) {

} else {

} 

Example#2: Wages.java






































