Помогите закомментить код

Package exam;

import java.sql.*;

public class DBConnection {
public Connection myConnection;
public DBConnection() {

}
public void init(){
try{
Class.forName("com.mysql.cj.jdbc.Driver");
myConnection=DriverManager.getConnection(
"jdbc:mysql://localhost:3306/EXAM?zeroDateTimeBehavior=convertToNull&serverTimezone=UTC","root", "2212985440"
);
}
catch(Exception e){
System.out.println("Failed to get connection");
e.printStackTrace();
}
}

public Connection getMyConnection(){
return myConnection;
}

public void close(ResultSet rs){

if(rs !=null){
try{
rs.close();
}
catch(Exception e){}

}
}

public void close(java.sql.Statement stmt){

if(stmt !=null){
try{
stmt.close();
}
catch(Exception e){}

}
}

public void destroy(){
if(myConnection !=null){
try{
myConnection.close();
}
catch(Exception e){}
}
}

}