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1. Introduction to Java Language. 1. Welcome to Java презентация
Содержание
- 1. 1. Introduction to Java Language. 1. Welcome to Java
- 2. Java Language Java is a
- 3. Principles Primary goals in the creation
- 4. Portability Portability means that computer programs written
- 5. Portability Implementation Portability is achieved by compiling
- 6. Principles Primary goals in the creation
- 7. Performance (1 of 2) Java programs' execution
- 8. Performance (2 of 2) December 2012 -
- 9. Principles Primary goals in the creation
- 10. Robustness Java eliminates pointers (first of all
- 11. Principles Primary goals in the creation
- 12. Java’s Security JVM controls Java program execution.
- 13. Versions History JDK 1.0 (January 23, 1996)
- 14. Java Platform The Java programming language is
- 15. Java Platforms Java SE (Standard Edition). Java
- 16. Java SE virtual machine API provides
- 17. Java EE Is built on top of
- 18. Java ME Running Java programming language applications
- 19. Java Card Allows Java-based applications to be
- 20. Java FX Creating rich internet applications using
- 21. Resources http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html– last Java version download (1.8.31)
- 22. Documentation and Manuals http://docs.oracle.com/javase/tutorial/ - Java 8
- 23. Manuals Хорстманн Кей С., Корнелл Гари. Библиотека
- 24. Java 8 docs * Infopulse Training Center
- 25. Java 8 Tutorials Basics Additional Subjects Special
- 26. Java 8 Tutorials. Basics Getting Started
- 27. Java8 Tutorials. Additional Subjects Deployment Internalization
- 28. Java 8 Tutorials. Special Subjects Creating a
- 29. Java 8 Tutorials. Special Subjects II Java
- 30. Check Java Installation java – version Output:
Java Language Java is a high-level object oriented programming language originally developed by Sun Microsystems and released in 1995 as a core component of Java platform. * Infopulse
Слайд 2Java Language
Java is a high-level object oriented programming language
originally developed by Sun Microsystems and released in 1995 as a core component of Java platform.
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Слайд 3Principles
Primary goals in the creation of the Java language:
simple, object-oriented and
familiar
robust and secure
architecture-neutral and portable
high performance
interpreted, threaded, and dynamic
robust and secure
architecture-neutral and portable
high performance
interpreted, threaded, and dynamic
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Слайд 4Portability
Portability means that computer programs written in the Java language must
run similarly on any hardware/operating-system platform.
Sun’s slogan: “Write Once - Run Anywhere”
Sun’s slogan: “Write Once - Run Anywhere”
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Слайд 5Portability Implementation
Portability is achieved by compiling the Java language code to
an intermediate representation called Java bytecode, instead of directly to platform-specific machine code.
Java bytecode instructions are analogous to machine code, but are intended to be interpreted by a virtual machine (JVM) written specifically for the host hardware.
Java bytecode instructions are analogous to machine code, but are intended to be interpreted by a virtual machine (JVM) written specifically for the host hardware.
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Слайд 6Principles
Primary goals in the creation of the Java language:
simple, object-oriented and
familiar
robust and secure
architecture-neutral and portable
high performance
interpreted, threaded, and dynamic
robust and secure
architecture-neutral and portable
high performance
interpreted, threaded, and dynamic
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Слайд 7Performance (1 of 2)
Java programs' execution speed improved significantly with the
introduction of Just-in-time (JIT) compilation in 1997/1998 for Java 1.1
The addition of language features supporting better code analysis and optimizations in the Java Virtual Machine itself.
The addition of language features supporting better code analysis and optimizations in the Java Virtual Machine itself.
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Слайд 8Performance (2 of 2)
December 2012 - microbench-marks show Java 7 is
approximately 1.44 times slower than C++
It is very difficult to quantify the performance difference between C++ and Java in general terms
It is very difficult to quantify the performance difference between C++ and Java in general terms
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Слайд 9Principles
Primary goals in the creation of the Java language:
simple, object-oriented and
familiar
robust and secure
architecture-neutral and portable
high performance
interpreted, threaded, and dynamic
robust and secure
architecture-neutral and portable
high performance
interpreted, threaded, and dynamic
*
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Слайд 10Robustness
Java eliminates pointers (first of all C/C++ style pointer arithmetic)
Java has
a very simple memory model where every object is allocated on the heap and all variables of object types are references.
Memory management is handled through integrated automatic garbage collection performed by the JVM
Memory management is handled through integrated automatic garbage collection performed by the JVM
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Слайд 11Principles
Primary goals in the creation of the Java language:
simple, object-oriented and
familiar
robust and secure
architecture-neutral and portable
high performance
interpreted, threaded, and dynamic
robust and secure
architecture-neutral and portable
high performance
interpreted, threaded, and dynamic
*
Infopulse Training Center
Слайд 12Java’s Security
JVM controls Java program execution. This ensures flexible security system
because each operation that surpass program privilege leads to exception.
The Java security APIs span a wide range of areas, including cryptography, public key infrastructure, secure communication, authentication, and access control.
The Java security APIs span a wide range of areas, including cryptography, public key infrastructure, secure communication, authentication, and access control.
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Слайд 13Versions History
JDK 1.0 (January 23, 1996)
JDK 1.1 (February 19, 1997)
J2SE 1.2
(December 8, 1998)
J2SE 1.3 (May 8, 2000)
J2SE 1.4 (February 6, 2002)
J2SE 5.0 (September 30, 2004)
Java SE 6 (December 11, 2006)
Java SE 7 (July 28, 2011)
Java SE 8 (March 18, 2014)
J2SE 1.3 (May 8, 2000)
J2SE 1.4 (February 6, 2002)
J2SE 5.0 (September 30, 2004)
Java SE 6 (December 11, 2006)
Java SE 7 (July 28, 2011)
Java SE 8 (March 18, 2014)
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Слайд 14Java Platform
The Java programming language is a high-level object-oriented language that
has a particular syntax and style
A Java platform is a particular environment in which Java programming language applications run
A Java platform = Java Virtual Machine + API
A Java platform is a particular environment in which Java programming language applications run
A Java platform = Java Virtual Machine + API
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Слайд 15Java Platforms
Java SE (Standard Edition).
Java EE (Enterprise Edition).
Java ME (Micro Edition).
Java
Card
Java FX
Java FX
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Слайд 16Java SE
virtual machine
API provides the core functionality of the Java
programming language (collections, I/O, security, multithreading, networking, database access, graphical user interface (GUI), XML parsing)
development tools
deployment technologies
class libraries and toolkits commonly used in Java technology applications
development tools
deployment technologies
class libraries and toolkits commonly used in Java technology applications
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Слайд 17Java EE
Is built on top of the Java SE platform
Provides
an API and runtime environment for developing and running enterprise applications:
large-scale
multi-tiered
scalable
reliable
secure
network
large-scale
multi-tiered
scalable
reliable
secure
network
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Слайд 18Java ME
Running Java programming language applications on small devices
A Java
ME API is a subset of the Java SE API, along with special class libraries useful for small device application development
Java ME applications are often clients of Java EE platform services
Java ME applications are often clients of Java EE platform services
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Слайд 19Java Card
Allows Java-based applications to be run securely on smart cards
and similar small memory footprint devices
It is widely used in SIM cards (used in mobile phones) and ATM cards
Java Card technology was originally developed for the purpose of securing sensitive information stored on smart cards
It is widely used in SIM cards (used in mobile phones) and ATM cards
Java Card technology was originally developed for the purpose of securing sensitive information stored on smart cards
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Слайд 20Java FX
Creating rich internet applications using a lightweight user-interface API
Use hardware-accelerated
graphics and media engines to take advantage of higher-performance clients and a modern look-and-feel
APIs for connecting to networked data sources.
JavaFX applications may be clients of Java EE platform services
APIs for connecting to networked data sources.
JavaFX applications may be clients of Java EE platform services
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Слайд 21Resources
http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html– last Java version download (1.8.31)
httphttp://http://wwwhttp://www.http://www.oraclehttp://www.oracle.http://www.oracle.comhttp://www.oracle.com/http://www.oracle.com/technetworkhttp://www.oracle.com/technetwork/http://www.oracle.com/technetwork/javahttp://www.oracle.com/technetwork/java/http://www.oracle.com/technetwork/java/indexhttp://www.oracle.com/technetwork/java/index.http://www.oracle.com/technetwork/java/index.html - Oracle’s Java support
http://www.oracle.com/technetwork/java/javase/downloads/jdk7-downloads-1880260.html -
Java 7 download
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Слайд 22Documentation and Manuals
http://docs.oracle.com/javase/tutorial/ - Java 8 tutorials
http://docs.oracle.com/javase/http://docs.oracle.com/javase/8http://docs.oracle.com/javase/8/docs/ - Java 8 docs
http://docs.oracle.com/javase/http://docs.oracle.com/javase/7http://docs.oracle.com/javase/7/docs/
- Java 7 docs
Core Java, eighth edition by Cay S. Horstmann and Gary Cornell, 2008; ISBN 978-0-13-235476-9
Thinking in Java by Bruce Eckel, 4th ed , 2006; ISBN 0131872486
Core Java, eighth edition by Cay S. Horstmann and Gary Cornell, 2008; ISBN 978-0-13-235476-9
Thinking in Java by Bruce Eckel, 4th ed , 2006; ISBN 0131872486
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Слайд 23Manuals
Хорстманн Кей С., Корнелл Гари.
Библиотека профессионала. Java 2.
Том 1. Основы.
ISBN: 978-5-8459-1378-4 Том 2. Тонкости программирования.
ISBN: 978-5-8459-1482-8
8-е издание, «Диалектика-Вильямс», 2014.
Брюс Эккель. Философия Java. – 4-е издание, «Питер», 2009. ISBN 978-5-388-00003-3
ISBN: 978-5-8459-1482-8
8-е издание, «Диалектика-Вильямс», 2014.
Брюс Эккель. Философия Java. – 4-е издание, «Питер», 2009. ISBN 978-5-388-00003-3
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Слайд 25Java 8 Tutorials
Basics
Additional Subjects
Special Subjects
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Слайд 26Java 8 Tutorials. Basics
Getting Started
Learning the Java Language
Essential Classes
Collections
Concurrency
Generics
JDBC
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Слайд 27Java8 Tutorials. Additional Subjects
Deployment
Internalization
JavaBeans
The Reflection API
Security
Java API for XML
Processing (JAXPJava API for XML Processing (JAXP JAXB)
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Слайд 28Java 8 Tutorials. Special Subjects
Creating a GUI with Swing
22D Graphics
Full-Screen Exclusive Mode API
Sound
The Extension Mechanism
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Слайд 29Java 8 Tutorials. Special Subjects II
Java Management Extensions (JMX)
Java Naming and
Directory Interface (JNDI)
Remote Method Invocation (RMI)
Sockets Direct Protocol
Preparation for Java Programmer Language Certification
Remote Method Invocation (RMI)
Sockets Direct Protocol
Preparation for Java Programmer Language Certification
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Слайд 30Check Java Installation
java – version
Output:
java version “1.8.31”
Directory structure:
C:\Program Files\Java
jdk1.8.31
jre8
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