Uploaded March 2025 | Updated September 2026, 1 week ago
#coding #programming #cprogramming
// logical operators = Used to combine or modify boolean expressions.
// && = AND
// || = OR
// ! = NOT
#coding #programming #cprogramming
// logical operators = Used to combine or modify boolean expressions.
// && = AND
// || = OR
// ! = NOT


![Learn Java threading in 10 minutes! 🧵
#java #javatutorial #javacourse
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
// Threading = Allows a program to run multiple tasks simultaneously
// Helps improve performance with time-consuming operations
// (File I/O, network communications, or any background tasks)
// How to create a Thread
// Option 1. Extend the Thread class (simpler)
// Option 2. Implement the Runnable interface (better)
Scanner scanner = new Scanner(System.in);
MyRunnable myRunnable = new MyRunnable();
Thread thread = new Thread(myRunnable);
thread.setDaemon(true); // This thread will end when Main thread finishes
thread.start();
System.out.println(You have 10 seconds to enter your name);
System.out.print(Enter your name: );
String name = scanner.nextLine();
System.out.println(Hello + name);
scanner.close();
}
} Learn Java threading in 10 minutes! 🧵](https://i.ytimg.com/vi/SztE5W41on4/mqdefault.jpg)
![Java variables are easy! ❎
#java #javatutorial #javacourse
public class Main {
public static void main(String[] args) {
// ❎ variable = A reusable container for a value.
// A variable behaves as if it was the value it contains.
// 🟥 Primitive = simple value stored directly in memory (stack)
// 🟦 Reference = memory address (stack) that points to the (heap)
// 🟥 Primitive vs 🟦 Reference
//
// int string
// double array
// char object
// boolean
int age = 21;
int year = 2025;
int quantity = 1;
double price = 19.99;
double gpa = 3.5;
double temperature = -12.5;
char grade = A;
char symbol = !;
char currency = $;
boolean isStudent = true;
boolean forSale = false;
boolean isOnline = true;
String name = Bro Code;
String food = pizza;
String email = fake123@gmail.com;
String car = Mustang;
String color = red;
System.out.println(Your choice is a + color + + year + + car);
System.out.println(The price is: + currency + price);
if(forSale){
System.out.println(There is a + car + for sale);
}
else{
System.out.println(The + car + is not for sale);
}
}
} Java variables are easy! ❎](https://i.ytimg.com/vi/TGVLmr194DI/mqdefault.jpg)
![MongoDB logical operators explained
#MongoDB #course #tutorial
db.students.find({$and: [{fullTime:true}, {age:{$lte:22}}]})
db.students.find({$or: [{fullTime:true}, {age:{$lte:22}}]})
db.students.find({$nor: [{fullTime:true}, {age:{$lte:22}}]})
db.students.find({age:{$not:{$gte:30}}}) MongoDB logical operators explained](https://i.ytimg.com/vi/Tnjtj8cCJPY/mqdefault.jpg)





