顺时针打印矩阵（java语言编写）

顺时针打印矩阵

public class Exercise {

    public static void main(String[] args) {
        // TODO Auto-generated method stub
        int matrix[][]=new int [][]{{1,2,9,3,4},{2,7,3,4,5},{3,5,4,5,6},{4,5,4,6,7},{5,6,3,7,8}};
        System.out.println("矩阵为:");
        for(int[] ma:matrix){
            for(int m:ma){
                System.out.print(m+" ");
            }
            System.out.println();
        }
        System.out.println("顺时针打印矩阵:");
        int size=matrix.length/2;
        int s=size;
        while(size>=0){
            int a=0+(s-size),b=0+(s-size);
            while(b<matrix[0].length-(s-size)){
                System.out.print(matrix[a][b]+" ");
                b++;
            }
            b--;
            a++;
            while(a<matrix.length-(s-size)){
                System.out.print(matrix[a][b]+" ");
                a++;
            }
            b--;
            a--;
            while(b>=0+(s-size)){
                System.out.print(matrix[a][b]+" ");
                b--;
            }
            b++;
            a--;
            while(a>0+(s-size)){
                System.out.print(matrix[a][b]+" ");
                a--;
            }
            size--;
        }

    }

}