hi

src/com/wasteinformationserver/db/Database.java

@@ -52,7 +52,7 @@ Database {
                 System.out.println(row);
             }
 
-        } catch(SQLException e) {
+        } catch (SQLException e) {
         }
     }
 
@@ -68,7 +68,7 @@ Database {
 
             Vector<Vector<Object>> data = new Vector<>();
 
-            while(res.next()) {
+            while (res.next()) {
                 Vector<Object> row = new Vector();
 
                 for (int i = 1; i <= columnCount; ++i) {
@@ -79,7 +79,7 @@ Database {
             }
 
             return new DefaultTableModel(data, columnNames);
-        } catch(SQLException e) {
+        } catch (SQLException e) {
             e.printStackTrace();
         }
 

src/com/wasteinformationserver/db/jdcb.java

@@ -10,9 +10,9 @@ import java.sql.ResultSet;
 import java.sql.SQLException;
 
 public class jdcb {
-Connection conn;
+    Connection conn;
 
-    public jdcb(String username, String password,String dbname) {
+    public jdcb(String username, String password, String dbname) {
         Database db = new MySQLConnector(
                 username,
                 password,
@@ -29,7 +29,6 @@ Connection conn;
     }
 
     public ResultSet executeQuery(String sql) {
-
         try {
             PreparedStatement stmt = conn.prepareStatement(sql);
             return stmt.executeQuery();
@@ -39,7 +38,7 @@ Connection conn;
         return null;
     }
 
-    public int executeUpdate(String sql){
+    public int executeUpdate(String sql) {
         try {
             PreparedStatement stmt = conn.prepareStatement(sql);