İleri Java Programlama

Kurs Dili: Türkçe

Süre: 4 gün

Kurs İçeriği (Trivera kurs kataloğu)

Session 1: Writing High-Performance Applications

Lesson: Performance: Process and Issues

• List four possible metrics for measuring software performance
• Explain the effect of OO design on software performance
• Explain where performance tuning resides in the overall OOSD cycle

• List and describe the two types of benchmarks
• Describe the criteria that should be considered when constructing a benchmark plan
• Name the three most useful targets for profiling
• List four common tools/techniques for profiling
• Describe two strategies for improving performance as a result of profiling data
• List and explain the five most common problem areas for good performance with Java

• Use the JDK to collect runtime profiling data
• Successfully read the profiling data generated by the JDK to detect performance bottlenecks
• Instrument your own code to collect method execution time data

• List three potential problems with strings
• List two ways to optimize loops
• Describe the advantages of private and final methods
• List two advantages of Java 1.2 collections over vectors and hashtables
• List 4 other code and system optimizations

• List five ways to optimize Java program design

Session 2: JAAS

Lesson: JAAS Overview

• Recap Java Security
• Explain the concept of a Protection Domain
• Recap enforcing code-based (including signature) authorization
• Understand the role of the AccessController and the AccessControlContext
• Understand the role of the Protection
• Understand the sequence of events for permission
• Understand permission checking and the (call) stack
• Understand the concept of PrivilegedAction and its effect on the permission checking sequence
• Introduce the JAAS concept
• Introduce the JAAS Authentication architecture
• Understand the role of login modules
• Understand the Subject and the relation with Principals
• Introduce the JAAS Authorization architecture
• Understand how Java security is enhanced to support principal-based authorization

• Understand how to configure a JAAS configuration file
• List the standard LoginModule implementations
• Understand the different between the different requirement flags set on a login module declaration
• Understand how to initiate the login process
• Understand the Callback and CallbackHandlers
• Be able to implement a CallbackHandler
• How to configure principal-based Authorization
• Understand different ways of associating a Subject with an AccessControllContext
• Understand the difference between doAs and doAsPrivileged

• Understand the steps to develop a custom login module
• Understand in more detail the login sequence of JAAS
• Understand the semantics and proper implementation of the LoginModule methods

Session 3: Java Object and Class management

Lesson: Class loaders

• Understand the responsibilities of a Java class loader
• Understand class loader hierarchy
• Understand the class loading sequence
• Understand the related security
• Understand how to use class loaders in your design/architecture
• Understand how to re-load classes into the JVM
• Write your own class loader
• Understand how to write a class loader in a security enabled environment (SecurityManager)

• Understand the garbage collector's responsibilities
• List the kinds of object references available in Java
• Understand the Weak, Soft and other references.
• Implement a caching collection using weak references

Session 4: The Regular Expression API

Lesson: The Regular Expression API

• Introduce the Java Regular expression API
• Explain the use of Pattern objects
• Explain the use of Matcher objects
• Give an overview of Regular expressions

Session 5: Overview of Reflection

Lesson: Reflection

• Explain the advantages and disadvantages of Reflection
• Dynamically load classes
• Become familiar with the Class class
• Use Reflection to discover properties of a class
• Dynamically invoke methods of a class
• Dynamically set and get values of fields
• Become familiar with the Method and Field classes
• Understand the Modifier class
• Explain the different between Integer.class and Integer.TYPE
• Use the java.beans.Introspector and java.beans.BeanInfo classes

Session 6: JNI

Lesson: Java Native Invocation (JNI)

• Understand the JNI architecture
• Understand the capabilities of JNI
• Interface to a C function from Java
• Exchange data from a JVM to a C function

Session 7: Advanced Threading

Lesson: Java SE Concurrency API

• Understand the Lock API
• Use Condition objects
• Understand and use Semaphores
• Understand and use the CountDownLatch
• Understand and use the CyclicBarrier
• Appreciate the Exchanger
• Appreciate the Executor framework
• Start and manage tasks
• Understand how to schedule task execution
• Work with the Callable interface
• Appreciate Future
• Use and configure thread pools

Session 8: NIO

Lesson: NIO packages

• Introduce the Java NIO API
• Explain the use of Buffers
• Explain the use of Channels
• Write a file using the FileChannel
• Provide an overview of SocketChannels

Appendix 1: Developing JMX MBeans

Lesson: Brief overview of JMX

• Explain the JMX three level architecture
• Understand the role and relationships for each level
• Get an understanding of MBeans and the different ways of implementing them
• Understand the relation between an MBean Server and its MBeans
• Discuss different MBean deployment scenarios
• Understand the concept of an MLET
• Introduce JBoss sar files
• Understand the JBoss -service.xml file

• Understand the three different ways of developing standard MBeans
• Understand what aspects of a standard MBean are considered static, and which are dynamic
• Understand the registration process of an MBean on a local MBean Server
• Discuss the limitations of local MBean Server registration
• See a real-life application of JMX to monitor a web application
• Develop a real-life application of JMX to manage document caching in a J2EE environment

• Understand the rational behind Dynamic MBeans
• Understand the need to a metamodel
• Explain how a Dynamic MBean exposes its behavior
• Correctly handle attribute support implementation
• Correctly handle constructor and operation support implementation
• Describe how MBeans can acts as event sources
• Understand how to support notifications
• Introduce proper exception handling for Dynamic MBeans

• Discuss the two different mechanisms for clients to work with a server
• Contrast Adapters and Connectors
• Understand what JSR160 (JMX Remoting) adds to the JMX arena
• Understand the different mechanism of connecting with a JMX MBeanServer using JMX Remoting
• Understand client configuration to connect with a remote server
• Understand the two ways of connecting a client with the server using connectors
• Understand the way URLs are described.
• Understand the relation between JMX and technologies such as LDAP, Jini and SLP
• Describe the role of JMXMP
• Understand what a JMX client can do, when connected
• Briefly describe the query mechanism
• Understand how a client can operate with the MBeans on the server
• Discuss class loading and registration of MBeans
• Understand how to listen to notification

Appendix 2: Java Encryption (JCA and JCE)

Lesson: Overview of Encryption

• Set the context for encryption and related security technologies
• Understand the different technologies
• Introduce the different algorithms used in encryption technologies
• Understand symmetric encryption and what to use it for
• Understand asymmetric encryption and what it used for
• Understand the role and concept of Message Digests
• Understand the role and concept of Digital signatures
• Understand the role and concept of Message Authentication Code (MAC)
• Understand the role and concept of Certificates
• Understand the role and concept of key agreement technologies
• Introduce PKI architectures

• Introduce basics of implementing cryptographic functionality in Java (focus on keys and ciphers)
• Understand on a high-level the security architecture in J2SE
• See a few examples of how to achieve concepts explained in the previous lesson
• Generate a symmetric key
• Generate asymmetric (private/public) key pairs
• Configure key generation
• Understand encryption modes (such as CBC, ECB, CFB, OFB and PCBC)
• Understand padding modes (such as ISO10126Padding, OAEP, PKCS 1 and 5 Padding)
• Configure ciphers
• Perform encryption/decryption using different strategies
• Understand how to encrypt/decrypt files
• Understand how to digest a message
• Understand how to produce a MAC
• Understand how to sign and verify digital signatures