import java.io.*;

public class OrderSearch {
    static int data, size;
    static int array[] = { 2, 5, 9, 8, 12, 14, 32, 56, 72, 81 };

    public static void main(String[] args) {
        // TODO Auto-generated method stub
        BufferedReader br;
        String str;
        size = array.length;
        for (int i = 0; i < array.length; i++) {
            System.out.print(array[i] + " ");
        }
        System.out.print("\n");
        System.out.print("输入你要查找的数据：");
        try {
            br = new BufferedReader(new InputStreamReader(System.in));

            str = br.readLine();
            data = Integer.parseInt(str);
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        OrderSearch b = new OrderSearch();
        int index = b.OrSearch(data);
        System.out.print("查找的结果如下：" + "\n");
        if (index == -1) {
            System.out.print("数据集合或序列中没有找到该数据：" + data + "\n");
        } else {
            System.out.print("在数据集合或序列中第" + index + "个位置：" + data + "\n");
        }

    }
    int OrSearch(int key) {
        for (int i = 0; i < size - 1; i++) {
            if (array[i] == key)
                return i + 1;
        }
        return -1;
    }
}

------解决方案--------------------
int OrSearch(int key)是个方法吧？方法不能定义在方法里面，你怎么把这个方法定义在main方法里了