Java

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public static void initDB(){
		try {
			BasicDataSource ds = new BasicDataSource();
			ds.setDriverClassName("oracle.jdbc.driver.OracleDriver");
			ds.setUrl("jdbc:oracle:thin:@localhost:1521:xe");
			ds.setUsername("mybank");
			ds.setPassword("123456");
			
			jdbcTemplate  = new JdbcTemplate(ds); // throw exceptiong after this line
			isConnected = true;
			initSystemPros();
		} catch (Exception e) {
			System.err.println("Cannot connect to DataBase");
			isConnected = false;
		}
	}

package nfctry;
//import java.io.*;
import javax.swing.*;
import java.util.*;
import javax.smartcardio.*;
import javax.swing.JOptionPane;
 
//import java.security.*;
//import java.net.URL;

public class NFCr {
 
  final protected static char[] hexArray = "0123456789ABCDEF".toCharArray();
 
  public static String bytesToHex(byte[] bytes) {
    char[] hexChars = new char[bytes.length * 2];
    int v;
    for ( int j = 0; j < bytes.length; j++ ) {
      v = bytes[j] & 0xFF;
      hexChars[j * 2] = hexArray[v >>> 4];
      hexChars[j * 2 + 1] = hexArray[v & 0x0F];
      
    }
    return new String(hexChars);
    
  }
 
  public static void main(String[] args) throws Exception {
    TerminalFactory factory = TerminalFactory.getInstance("PC/SC",null);
    System.out.println(factory);
   
    
    List<CardTerminal> terminals = factory.terminals().list();
    System.out.println("Terminals: " + terminals);
    if (terminals.isEmpty()) {
      throw new Exception("No card terminals available");
    }
 
    CardTerminal terminal = terminals.get(0);
      
    // Keep looping looking for cards until the application is closed
    while( true )
    {
      terminal.waitForCardPresent( 0 );
      try {
        Card card = terminal.connect("*");
        CardChannel channel = card.getBasicChannel();
 
       CommandAPDU command = new CommandAPDU(new byte[]{(byte)0xFF,(byte)0xCA,(byte)0x00,(byte)0x00,(byte)0x04});
     
        
        
        ResponseAPDU response = channel.transmit(command);
 
        byte[] byteArray = response.getBytes();
       
        //JOptionPane.showMessageDialog(null, bytesToHex( byteArray ) );
      System.out.println(bytesToHex( byteArray ) );
         
        
        //System.out.println("Name : " + bytesToHex.convertHexToString(byteArray));
      
     
        Thread.sleep(1000);
      } catch (CardException e) {
        e.printStackTrace();
      } finally {
	}
    }
  }
}