Gioi thieu java

Ging vin: Ths. Phm Minh T

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Chng 01

Gii thiu Java

Ni dung

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Phng php lp trnh cu trc

Phng php lp trnh hng i tng

Nn tng java

Cc phin bn java

S pht trin Java Standard Edition (Java SE)

Ci t nn tng java v mi trng pht trin

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Gii thiu 1-3

Cc phng php gii quyt vn trong lnh vc cng ngh thng tin thng qua vic pht trin phn mm

ng dng phn mm c th nh ngha l mt tp cc chng trnh c vit bng ngn ng lp trnh cp cao v gii quyt mt vn c th

Cc ng dng phn mm

Gii thiu 2-3

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Tri thc lnh vc: C vai tr quan trng trong pht trin phn mm

nh ngha cc lnh vc nghip v v cng ngh lin quan n vn cn gii quyt

Gii thiu 3-3

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Ngn ng lp trnh:

Phng php lp trnh cu trc 1-2

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ng dng chia thnh nhiu chng trnh con.

Chng trnh con: th tc, hm, ...

Mi chng trnh con thc hin mt cng vic c th

Cc ngn ng lp trnh cu trc nh: C, Pascal, v Cobol.

Lp trnh cu trc

Phng php lp trnh cu trc 2-2

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Khuyt im:

D liu chia s ton cc gia cc

chng trnh con.

Tp trung x l chng trnh

hn x nghip v

Chi ph bo tr cao vi cc ng dng phc tp, dn n khng hong trong ngnh phn mm

Phng php lp trnh hng i tng 1-4

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Li ch:

Gim chi ph pht trin cc ng dng phc tp

Gim chi ph bo tr

Pht trin cc thnh phn c kh nng s dng li

Phng php lp trnh HT 2-4

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c im

Thit k tp trung d liu hn x l chc nng


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Unified Modeling Language (UML) to m hnh trc quan trong h thng

Object-oriented Analysis (OOA) Xc nh cc chc nng ca h thng

Object-oriented Design (OOD) thit k cc i tng cng nh s tng tc gia cc i tng gii quyt cc vn c th

Object-oriented Programming (OOP) thc thi ci t cc ng dng


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Cc khi nim:

Object

Class

Abstraction

Encapsulation

Inheritance

Polymorphism

Java

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Java l mt trong nhng ngn ng lp trnh HT.

Cho php pht trin cc ng dng chy trn nhng nn tng

phn cng v HH khc nhau

Cc lnh vc c p dng trong nn tng java: Cc ng dng desktop v h thng nhng

ng dng web v ng dng mobile

Cc ng dng doanh nghip ln

Lch s Java 1-2

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H thng nhng

1991

D n: Green Project.

Cc k s: James Gosling, Mike Sheridan, v Patrick Naughton.

C gng to ngn ng chy trn bt k nn tng no.

Ban u c tn OAK v sau chuyn thnh Java .

Lch s Java 2-2

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Internet

1995: ng dng web pht trin v java h tr pht trin cc ng dng web

1997: Servlet v Enterprise JavaBeans

Middle-tier

2006: Java Platform, Standard Edition (Java SE), Java Platform, Enterprise Edition (Java EE), and Java Platform Micro Edition (Java ME)

2009 Thu nhn bi tp on Oracle

2010 - Java 7

Java: Ngn ng lp trnh HT

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Java l ngn ng lp trnh HT c thit k chy trn nhiu nn tng khc nhau

c im

K tha c php C++

Loi b cc k thut con tr, a k tha trong C++

n gin

Java Platform

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Java Virtual Machine (JVM) 1-2

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Bin dch on m java thnh bytecode

Ci JVM cho nhng nn tng khc nhau nh Windows, Unix, and Solaris.

Java Virtual Machine (JVM) 2-2

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Bytecode:

Ngn ng gn vi m my

c ti u chy trong mi

trng java

Cng bytecode c th chy trn

JVM nhiu nn tng khc nhau

Java API

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Mt tp cc thnh phn phn mm to sn

Bao gm cc classes v interface c ng gi thnh cc

th vin trong Java.

V d:

Th vin Swing cung cp cc classes cho cc thnh phn User Interface (UI).

Th vin Input/Output (I/O) cung cp cc k thut nhp

xut d liu trong java

Phin bn ca Java

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Cc thnh phn Java SE Platform 1-2

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Cc thnh phn Java SE Platform 2-2

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Development Tools cng c bin dch , thc thi, debugging

API cung cp cc chc nng trong ngn ng lp trnh Java.

Deployment Tools trin khai ng dng cho ngi dng cui

User Interface Toolkits thit k giao din

Integration libraries th vin thao tc vi csdl v cc i

tng t xa (remote object)

S pht trin Java

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Table lists the different releases of JDK.

Releases Implementation

JDK 1.0 Creation of packages with classes in the standard library

JDK 1.1 Included an event delegation model for Graphical User Interface (GUI)

package AWT, JavaBeans, and Java Database Connectivity (JDBC) API

JDK 1.2 (Java 2)

Included a new graphical API, named Swing. Also, added APIs for

reflection and collection framework (based on data structure)

JDK 1.3 Included a directory interface to lookup for components, named, Java

Naming and Directory Interface (JNDI)

JDK 1.4 Included regular expression API, assertions, exception chaining, channel-

based I/O API, an XML API for parsing and processing

JDK 1.5

Included new features in the language such as for-each loop, generics,

annotations, and auto-boxing

JDK 1.6

Included script language, visual basic language support, and improvements

in the GUI

Downloading and Installing JDK 1-6

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25


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In the Save As dialog box, select the location to save the JDK installer and then, click Save

Mi trng pht trin

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Cng c:

Netbean , Eclipse,..

Download eclipse:

https://eclipse.org/downloads/

Mi trng pht trin

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Cu hi

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Documents

Gioi thieu java