public static void main(String[] args) {

		int[] a = {1,2,2,3,3,4,5,6};

		int m = 6;

		normal(a, m);

	}

	//正确思路

private static void normal(int[] a, int m) {

		Map<Integer,Integer> b = new HashMap<Integer, Integer>();

		for(int i = 0;i < a.length;i++) {

			for(int j = 0;j<a.length;j++) {

				if(i!=j&&(a[i]+a[j]==m)) {

					if(a[i]>=a[j]) {

						b.put(a[i], a[j]);

					} else {

						b.put(a[j], a[i]);

					}

					break;

				}

			}

		}

		for(int t : b.keySet()) {

			System.out.println(t+","+b.get(t)+";");

		}

	}