Main.java - master - Pavel23/HW8

Main.java
65 строк2 KB
Pavel23
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19 окт 2025, 12:16
19 окт 2025, 12:166f1ba2d
import java.util.Random;
import java.util.Scanner;

public class Main {
    public static final int SIZE = 8;

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int[][] colors = new int[SIZE][SIZE];
        Random random = new Random();
        for (int i = 0; i < SIZE; i++) {
            for (int j = 0; j < SIZE; j++) {
                colors[i][j] = random.nextInt(256);
            }
        }
        printColors(colors);
        System.out.print("Введите угол поворота (90, 180, 270): ");
        int input = scanner.nextInt();
        int[][] rotatedColors = new int[SIZE][SIZE];
        if (input == 90) rotatedColors = rotate90(colors);
        else if (input == 180) rotatedColors = rotate180(colors);
        else if (input == 270) rotatedColors = rotate270(colors);
        System.out.println();
        printColors(rotatedColors);
    }

    public static int[][] rotate90(int[][] colors) {
        int[][] rotatedColors = new int[SIZE][SIZE];
        for (int i = 0; i < SIZE; i++) {
            for (int j = 0; j < SIZE; j++) {
                rotatedColors[i][j] = colors[(SIZE - 1) - j][i];
            }
        }
        return rotatedColors;
    }

    public static int[][] rotate180(int[][] colors) {
        int[][] rotatedColors = new int[SIZE][SIZE];
        for (int i = 0; i < SIZE; i++) {
            for (int j = 0; j < SIZE; j++) {
                rotatedColors[i][j] = colors[(SIZE - 1) - i][(SIZE - 1) - j];
            }
        }
        return rotatedColors;
    }

    public static int[][] rotate270(int[][] colors) {
        int[][] rotatedColors = new int[SIZE][SIZE];
        for (int i = 0; i < SIZE; i++) {
            for (int j = 0; j < SIZE; j++) {
                rotatedColors[i][j] = colors[j][(SIZE - 1) - i];
            }
        }
        return rotatedColors;
    }

    public static void printColors(int[][] colors) {
        for (int i = 0; i < SIZE; i++) {
            for (int j = 0; j < SIZE; j++) {
                System.out.format("%4d", colors[i][j]);
            }
            System.out.println();
        }
    }
}