查找数组中相同的元素

public class findSame {
	public static void main(String[] args) {
		int[] arr = new int[] { 1, 2, 6, 5, 7, 9, 2, 7 };
		find(arr);
	}

	public static void find(int[] arr) {
		System.out.println("------数组中包含的等值元素如下------\n");

		for (int i = 0; i < arr.length - 1; i++) {
			for (int j = i + 1; j < arr.length; j++) {
				if (arr[i] == arr[j]) {
					System.out.println("arr[" + i + "] = " + arr[i]);
					System.out.println("arr[" + j + "] = " + arr[j] + "\n");
				}
			}
		}
	}
}public class findSame {
	public static void mai