Log4J

Log4J applications:
public class LogUtility
{
    public static Logger getLogger(Class clazz)
    {
       System.setProperty("logFileName", name + ".log");
        return Logger.getLogger(clazz.getName());
    }
}

log4j.properties:

log4j.rootLogger=DEBUG,CONSOLE,FILE

log4j.appender.CONSOLE=org.apache.log4j.ConsoleAppender

log4j.appender.CONSOLE.Target=System.out

log4j.appender.CONSOLE.layout=org.apache.log4j.PatternLayout

log4j.appender.CONSOLE.layout.conversionPattern=%m%n

log4j.appender.FILE=org.apache.log4j.RollingFileAppender

log4j.appender.FILE.File=${logFileName}

#log4j.appender.FILE.MaxFileSize=512KB

#log4j.appender.FILE.MaxBackupIndex=3

log4j.appender.FILE.layout=org.apache.log4j.PatternLayout

log4j.appender.FILE.layout.conversionPattern=%d{yyyy-MM-dd HH:mm:ss,SSS} %-5p - %m%n

Webservice

Web services:

1. Type of web services:

A. Jax-RPC

B. Jax-WS

2. Ways of building web services:

A. Contract first

B. Contract Last

3. End point choice:

A. Servlet

B. EJB

5. Message exchanging format:

A. Synchronous request and response format

B. Asynchronous request and response

C. One way invoke or fire and forgot

6. Message Exchanging pattern:

A. Style

        a. RPC

        b.  Document

B. Use

        a. Literal

        b. encode

Web service implementation:

@WebService

public interface Reservation

{

    @WebMethod

    public Ticket doBooking(JourneyInfo jInfo, PassiengerInfo pInfo);

}

--------------------------------------------------------------

@WebService(endpointInterface = "com.ibm.pdc.ephs.ws.Reservation")

public class ReservationImpl implements Reservation

{

    public Ticket doBooking(JourneyInfo jInfo, PassiengerInfo pInfo)

    {

        System.out.println("Passenger information:");

        System.out.println(pInfo.getPassName());

        System.out.println(pInfo.getProof());

        System.out.println(pInfo.getAddress());

        System.out.println(pInfo.getAge());

        System.out.println(pInfo.isSex() ? "Male" : "Female");

       

        System.out.println("Journey Information:");

        System.out.println(jInfo.getFromStation());

        System.out.println(jInfo.getToStation());

       

        Ticket ticket = new Ticket();

        ticket.setBearthNumber("B1");

        ticket.setCoathcNumber("B");

        ticket.setPnrNumber(123456);

        ticket.setDateOfjourny(new Date());

        return ticket;

    }

}

-----------------------------------------------------------------------

public class JourneyInfo

{

    private String fromStation;

    private String toStation;

}

public class PassiengerInfo

{

    private String passName;

    private String proof;

    private String address;

    private Integer age;

    private boolean sex;

}

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schema

Completed Java Standard Edition 6 certification with 96%.