真实 Java 笔试题

class forName("com.mysql.jdbc.Driver");
String url = "jdbc:mysql://localhost:3306/sample_db?user=root&password=your_password";
Connection con = DriverManager.getConnection(url);
Statement stmt = con.createStatement();
String query = "select * from test";
ResultSet rs = stmt.executeQuery(query);

public class Maopao{
	public static void main(String[] args) {
			int[] arr = {95, 23, 34, 11, 75, 56, 78};
			for (int i = 0; i < arr.length; i++)
				for (int j = 0; j < arr.length - 1 - i; j++)
					if (arr[j + 1] < arr[j]) {
						int temp = arr[j + 1];
						arr[j + 1] = arr[j];
						arr[j] = temp;
					}
			for (int a = 0; a < arr.length; a++)
				System.out.print(arr[a] + " ");
	}
}