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- //Figure
- import java.util.Scanner;
- public class Figure {
- public static void main(String[] args) {
- System.out.println("Введите высоту фигуры, фигура не должна быть выше 4-х звёздочек.");
- Scanner scanner = new Scanner(System.in);
- int h = scanner.nextInt();
- if(h>4 || h<1){
- System.out.println("Вы ввели неверное значение.");
- }else{
- for (int i = 0; i < h ; i++) {
- for (int j = 1; j <= i+1 ; j++) {
- System.out.print("*");
- }
- System.out.println();
- }
- for (int i = h-1; i >0 ; i--) {
- for (int j = i; j>=1; j--) {
- System.out.print("*");
- }
- System.out.println();
- }
- }
- }
- }
- // Numbers???
- public class Numbers {
- public static void main(String[] args) {
- for(int i = 1; i <= 100; i++)
- {
- boolean b = true;
- for(int j = 2; j < i; j++)
- {
- if(i % j == 0)
- b = false;
- }
- if(b)
- System.out.print(i + " ");
- }
- }
- }
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