//STEP 6: Clean-up environment 
                rs.close(); 
                stmt.close(); 
                conn.close(); 
            }catch(SQLException se){ 
                //Handle errors for JDBC 
                se.printStackTrace(); 
            }catch(Exception e){
                 //Handle errors for Class.forName 
                e.printStackTrace(); 
            }finally{
                 //finally block used to close resources
                 try{ 
                        if(stmt!=null) 
                        stmt.close(); 
                    }catch(SQLException se2){ 
                    } // nothing we can do 
                try{ 
                    if(conn!=null) 
                            conn.close();
                     }catch(SQLException se){
                         se.printStackTrace(); 
                  }  //end finally try 
                } //end try 
            System.out.println("Goodbye!"); 
        }//end main
    }//end FirstExample

Now let us compile above example as follows:
C:\>javac FirstExample.java
C:\>
When you run FirstExample, it produces following result:
C:\>java FirstExample
Connecting to database...
Creating statement...
ID: 100, Age: 18, First: Zara, Last: Ali
ID: 101, Age: 25, First: Mahnaz, Last: Fatma
ID: 102, Age: 30, First: Zaid, Last: Khan
ID: 103, Age: 28, First: Sumit, Last: Mittal
C:\>

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