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public static String passedOutStudentsCount(int passout_year) {
        
        String dbURL = "jdbc:mysql://localhost/ri_db";
        String username = "test";
        String password = "test123";

        
        String sql = "SELECT COUNT(*) FROM OFFICE WHERE year = " + passout_year;

        
        String output = "";

        
        try (Connection conn = DriverManager.getConnection(dbURL, username, password);
             Statement stmt = conn.createStatement();
             ResultSet rs = stmt.executeQuery(sql)) {

            
            rs.next();
            int count = rs.getInt(1);

            
            output = "Number of students passed out in " + passout_year + ": " + count;

        } catch (SQLException e) {
            e.printStackTrace();
        }

        return output;
    }