import java.util.Scanner; class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); System.out.println("The maximum is: "); int num = sc.nextInt(); System.out.println("The numbers are: "); for (int i = 3; i <= num; i= i+3) System.out.println(i); } }

import java.util.Scanner; class Main { public static void main(String[] args) { System.out.println("What is your age?"); Scanner sc = new Scanner (System.in); int age = sc.nextInt(); if (age < 12) { System.out.println("You get a discount of 20%"); } else { System.out.println("You get no discount"); } } }

import java.util.Scanner; /** This program simulates an elevator panel that skips the 13th floor. */ public class Main { public static void main(String[] args) { Scanner in = new Scanner(System.in); System.out.print("Floor: "); int floor = in.nextInt(); // Adjust floor if necessary int actualFloor; if (floor >= 13) // What's missing here? { actualFloor = floor - 1; } else { actualFloor = floor; } System.out.println("The elevator will travel to the actual floor " + actualFloor); } }

import java.util.Scanner; class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); Scanner sc_2 = new Scanner(System.in); System.out.println("First number:"); double a = sc.nextDouble(); System.out.println("Second number:"); double b = sc_2.nextDouble(); double one = Math.pow(a,b); double two = Math.abs(a); double three = Math.round(b); double four = Math.ceil(a); double five = Math.max(a,b); System.out.println("Answer one: "+ one); System.out.println("Answer two: "+ two); System.out.println("Answer three: "+ three); System.out.println("Answer four: "+ four); System.out.println("Answer five: "+ five); } }

class Main { public static void main(String[] args) { double h = 6.0; double r = 2.5; double c = Math.PI * 2 * r; double a = Math.PI * Math.pow(r, 2); double s = 2 * a + c*h; System.out.println("The surface area is: " + s); } }

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