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Java??????????

?????????????????Java?????????????PrintMatrixClockwise ? PrintMatrix?PrintMatrixClockwise ?????????????????? PrintMatrix ??????????????????

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package offer;

????PrintMatrixClockwise

public static void PrintMatrixClockwise(int nums[][]) {    if (nums[0].length == 0) {        return;    }    int start = 0;    while (nums.length > start * 2 && nums[0].length > start * 2) {        PrintMatrix(nums, start);        start++;    }}

????PrintMatrix

public static void PrintMatrix(int nums[][], int start) {    // ???????????????    for (int i = start; i < nums[start].length - start; i++) {        System.out.print(nums[start][i] + " ");    }    System.out.println();    // ?????????????    for (int i = start + 1; i < nums.length - start; i++) {        System.out.print(nums[i][nums[start].length - start - 1] + " ");    }    System.out.println();    // ???????????????    for (int i = nums[start].length - start - 2; i >= start; i--) {        System.out.print(nums[nums.length - start - 1][i] + " ");    }    System.out.println();    // ?????????????    for (int i = nums.length - start - 2; i >= start + 1; i--) {        System.out.print(nums[i][start] + " ");    }    System.out.println();}

???

public static void main(String[] args) {    int nums[][] = {        {1, 2, 3, 4},        {5, 6, 7, 8},        {9, 10, 11, 12},        {13, 14, 15, 16}    };    PrintMatrixClockwise(nums);}

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