数据切分

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String initData = "N.O.\t1,2,3,4,5,6,7,8,9";

String[] items = initData.split("[\\s]");
for (int i = 1; i < items.length; i++) {
    Object[] head = ArrayUtils.subarray(items, 1, i);
    Object[] tail = ArrayUtils.subarray(items, i + 1, items.length);
    String v = StringUtils.join(ArrayUtils.addAll(head, tail), ",");
    System.out.println(items[i] + " : " + v);
}

 

denpendency:

  - common-lang

 

 

原始数据:

N.O. 1,2,3,4,5,6,7,8,9

 

结果:

1 : 2,3,4,5,6,7,8,9
2 : 1,3,4,5,6,7,8,9
3 : 1,2,4,5,6,7,8,9
4 : 1,2,3,5,6,7,8,9
5 : 1,2,3,4,6,7,8,9
6 : 1,2,3,4,5,7,8,9
7 : 1,2,3,4,5,6,8,9
8 : 1,2,3,4,5,6,7,9
9 : 1,2,3,4,5,6,7,8