Main.java - master - conann/test7

Main.java
67 строк2 KB
Kirill Opra
test7
04 мар 2025, 04:38
04 мар 2025, 04:38de209c9
import java.util.Random;
import java.util.Scanner;

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

    public static void main(String[] args) {
        int[][] colors = generateMatrix(SIZE, SIZE);

        System.out.println("Исходная матрица: ");
        showMatrix(colors);


        System.out.println("Введите угол поворота (90, 180 или 270):");
        Scanner scanner = new Scanner(System.in);
        int angle = scanner.nextInt();
        int[][] rotatedMatrix = rotateRightMatrix(colors, angle);


        System.out.println("\nПеревернутая матрица: " + angle + " градусов");
        showMatrix(rotatedMatrix);


    }

    private static int[][] generateMatrix(int rows, int columns) {
        Random random = new Random();
        int[][] result = new int[rows][columns];
        for (int i = 0; i < rows; i++) {
            for (int j = 0; j < columns; j++) {
                result[i][j] = random.nextInt(256);
            }
        }
        return result;
    }

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

    private static int[][] rotateRightMatrix(int[][] colors, int angle) {
        int size = colors.length;
        int[][] result = new int[size][size];
        for (int i = 0; i < size; i++) {
            for (int j = 0; j < size; j++) {
                switch (angle) {
                    case 90:
                        result[i][j] = colors[size - 1 - j][i];
                        break;
                    case 180:
                        result[i][j] = colors[size - 1 - i][size - 1 - j];
                        break;
                    case 270:
                        result[size - 1 - j][i] = colors[i][j];
                        break;
                    default:
                        result[i][j] = colors[i][j];
                }
            }
        }return result;
    }
}