Java tutorial for beginners ☕ - The Java Math class + exercises! 📐

#java #javatutorial #javacourse 00:00:00 intro 00:00:10 constants 00:00:57 methods 00:04:24 exercise1 00:08:27 exercise2 00:13:25 printf public class Main { public static void main(String[] args) { System.out.println(Math.PI); System.out.println(Math.E); double result; result = Math.pow(3, 4); result = Math.abs(-5); result = Math.sqrt(16); result = Math.round(3.14); result = Math.ceil(3.14); result = Math.floor(3.14); result = Math.max(10, 20); result = Math.min(10, 20); System.out.println(result); } } import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); double a; double b; double c; System.out.print("Enter the length of side A: "); a = scanner.nextDouble(); System.out.print("Enter the length of side B: "); b = scanner.nextDouble(); c = Math.sqrt(Math.pow(a, 2) + Math.pow(b, 2)); System.out.println("The hypotenuse is: " + c + "cm"); scanner.close(); } } import java.util.Scanner; public class Main { public static void main(String[] args) { // circumference = 2 * Math.PI * radius; // area = Math.PI * Math.pow(radius, 2); // volume = (4.0 / 3.0) * Math.PI * Math.pow(radius, 3) Scanner scanner = new Scanner(System.in); double radius; double circumference; double area; double volume; System.out.print("Enter the radius: "); radius = scanner.nextDouble(); circumference = 2 * Math.PI * radius; area = Math.PI * Math.pow(radius, 2); volume = (4.0 / 3.0) * Math.PI * Math.pow(radius, 3); System.out.printf("The circumference is: %.1fcm\n", circumference); System.out.printf("The area is: %.1fcm²\n", area); System.out.printf("The volume is: %.1fcm³\n", volume); scanner.close(); } }