Matrix.java - master - AlekseyVologzhin/ArrayMultidimensional

Matrix.java
68 строк2 KB
AlekseyVologzhin
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23 мар 2025, 17:24
23 мар 2025, 17:24c2bec30
import java.util.Random;

public class Matrix {

    public static final int SIZE = 8;

    public static void main(String[] args) {

        Random random = new Random();
        int[][] colors = new int[SIZE][SIZE];
        for (int i = 0; i < SIZE; i++) {
            for (int j = 0; j < SIZE; j++) {
                colors[i][j] = random.nextInt(256);
            }
        }

        System.out.println("Обычная матрица: \n");
        printColors(colors);

        int[][] rotatedColors = turnColors(colors, 90);

        System.out.println("Повернутая матрица: \n");
        printColors(rotatedColors);
    }

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

    private static int[][] turnColors(int[][] colors) {
        int[][] turn = new int[SIZE][SIZE];
        for (int i = 0; i < SIZE; i++) {
            for (int j = 0; j < SIZE; j++) {
                turn[i][j] = colors[j][SIZE - 1 - i];
            }
        }
        return turn;
    }

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