---
tags: Java, Hello world,
---
# NKUST 20211108:

## :memo: Todo List

https://mail.google.com/chat/u/0/#chat/space/AAAAu5pS4mA
### :snowboarder: Clone your repo
EX:

git clone https://github.com/yourname/NKUST.git

open your folder by intelliJ

### :snowboarder: Write your Hello
EX:

public class Hello {
    public static void main(String[] args) {
        System.out.println("Hello " + "Henry");
    }
}

###### tips: type the code by yourself, don't copy them

### :snowboarder:: Declare your variable
EX:

public class Variable {
    public static void main(String[] args) {
        // This is a comment
        //lowerCamelCase variable name
        String myName = "Henry Johnson";
        System.out.println("Hello " + myName);
    }
}

### 4: What is camelCase name?
EX:

String herFirstName = "Cindy";
int myMomAge = 53;
char identifyCharacter = 'S';
float myFloatNum = 5.99f;    // Floating point number

### 5: Java Data Types
https://www.w3schools.com/java/java_data_types.asp

### 6: Java Operators
https://www.w3schools.com/java/java_operators.asp

### 7: Java User Input (Scanner)

### :snowboarder: Calculate
Exercise
1. BMI
2. 7 * 54 + 0 * 10 / 2 + 3