Java overview:Java overview:the pthe pyyramid of successramid of success

Artem BilanArtem Bilan

CS Ltd.CS Ltd.SpringSpring Integration Integration commiter commiter

Email: clericsmail@gmail.comEmail: clericsmail@gmail.com

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Who is Artem Bilan

http://forum.vingrad.ru/showuser-18365.html

https://github.com/artembilan

http://linkedin.com/in/cleric

cleric@csltd.com.ua

Spring Integration Reference Manual

Mark Fisher…

Artem Bilan

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Thorny path to the top

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Agenda

• Java syntax

• Swing• Garbage collector

• Multi-Threading

• Data Bases

• WEB

• Development tools

• Frameworks

• WEB-Services

• Patterns

• Messaging

• Scripting

• Demo time

• Summary & Questions

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Let’s build our own pyramid!

JAVA JAVA syntaxsyntax

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Java starts from source

public static void main(String[] args) {...}

public static <T> T argThat(Matcher<T> matcher) { return reportMatcher(matcher).<T>returnNull();}

@Entity@Table(name = ‘USERS')@SQLInsert(sql = 'insert into TMP_USERS (PASSWORD, LOGIN, ID) values (?, ?, ?)')@AccessType('field')@XmlType(name = ‘User')class User extends BaseEntity<Long> {

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Swing: the right way to start!

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Swing: the right way to start!

Java Java SyntaxSyntax

ComponenComponentsts

SwingSwing

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Garbage collector & memory model

-XX:+UseParallelGC-XX:+UseConcMarkSweepGC-XX:+UseG1GC

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Garbage collector & memory model

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Multi-Threading & Concurrency

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Multi-Threading: Epic Fail

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Multi-Threading & Concurrency

AtomicsAtomics

LocksLocks

VolatileVolatile SynchronizedSynchronized

ExecutorsExecutors

ForkJoinPoolForkJoinPoolPhaserPhaser

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Data Bases: Persistence power

Select * from orders

From DB to JavaFrom DB to Java

Typical data issueTypical data issue

Be clever!Be clever!

Think different!Think different!

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Data Bases: Persistence power

SqlSqlDataSourceDataSource

JPAJPA

XAXAOracleOracle

MongoDBMongoDB

LuceneLucene

Hybrid solutionsHybrid solutions

Key/ValueKey/Value

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WEB: Globalize yourself!

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Development & build tools

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WEB & Development tools

Delicious results!Delicious results!

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Frameworks: don’t reinvent the wheel!

• Good solutions

• New ideas

• Right things at the right place

• DRY

• KISS

• Postal Low

Don’t afraid experimentDon’t afraid experiment

++

++

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Spring - the power of application

• Spring AMQP• Spring Batch• Spring BlazeDS• Spring Data • Spring Android• Spring Hadoop• Spring GemFire• Spring LDAP• Spring Mobile• Spring Roo• Spring Integration

• Spring IDE

• Spring OSGi

• Spring Rich Client

• Spring Security

• Spring Slices

• Spring Social

• Spring Web Flow

• Spring Web Services

• Spring.NET

• Etc.

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JEE vs Spring

VSVS

VS

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WEB-Services: Let’s start integrate!

Business here

Integrate them all!

Money there

Everything in one place

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WEB-Services: Let’s start integrate!

SOAPSOAP RESTREST

XML JSON Etc.

Any withAny withHTTPHTTP

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WEB-Services: Let’s start integrate!

You are the man

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Patterns: developres’ langauge

Singleton Factory

Bridge

Strategy

Composite

Adapter

Observer

Builder

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Messaging is everywhere

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Scripting & DSLs

httpFlow { httpGet(url:{"http://google.com/search?q=$it"},

responseType: String)}

Groovy

val httpFlow = http.GET[String]{ search: String => "http://google.com/search?q="+search }

Scala

XML

<http:outbound-gateway http-method="GET" expected-response-type="java.lang.String"

url="http://google.com/search?q={search}" request-channel="input">

<http:uri-variable name="search" expression="payload"/></http:outbound-gateway>

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There is no limit to perfection

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Demo time

iB2

WS

ABS Client-Bank

Processing Card-backoffice

POS JDBC

JavaOracle procedure

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Demo time

Web Service

MagicMagicJAVAJAVA

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Conclusions

is an unlimited IT universeis an unlimited IT universe

has growing communityhas growing community

is a flexible platformis a flexible platform

helps businesshelps business

makes Internet closermakes Internet closer

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More info

• Java Specification

• Cay S. Horstmann

• Joshua Bloch

• Bruce Eckel

• Martin Fowler

• Spring Framework

• Hibernate

• EIP

• Steve McConnell