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snipts » java 
showing 1-20 of 87 snipts for java
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∞ NullPointer check - Intellij Live Template
if($1$ == null) { throw new NullPointerException("$1$"); } -
∞ a valid java program
\u0070\u0075\u0062\u006c\u0069\u0063 \u0063\u006c\u0061\u0073\u0073 \u0055\u0067\u006c\u0079 \u007b \u0070\u0075\u0062\u006c\u0069\u0063 \u0073\u0074\u0061\u0074\u0069\u0063 \u0076\u006f\u0069\u0064 \u006d\u0061\u0069\u006e\u0028 \u0053\u0074\u0072\u0069\u006e\u0067\u005b\u005d \u0061\u0072\u0067\u0073\u0029 \u007b \u0053\u0079\u0073\u0074\u0065\u006d\u002e\u006f\u0075\u0074 \u002e\u0070\u0072\u0069\u006e\u0074\u006c\u006e\u0028\u0022\u0048\u0065\u006c\u006c\u006f\u0020\u0077\u0022 \u002b \u0022\u006f\u0072\u006c\u0064\u0022\u0029\u003b \u007d \u007d
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∞ strage java behavious - unicode, error in comments
// \u -
∞ java down to; for trick
for (int i = 20; i --> 0;) // "20 down to 0" { //... }
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∞ java confuse flow
try { return; } finally { System.out.println("Bye!"); }
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∞ java anonymous init list
new JFrame() { { this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); this.add(new JPanel() { { this.add(new JLabel("just a label") { { this.setForeground(Color.RED); this.setBackground(Color.BLACK); } }); } }); this.setSize(200, 200); this.setVisible(true); } };
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∞ java double foreach
int[] i = { 1, 2, 3 }; String[] s = { "A", "B", "C" }; for (int _i : i) { for (String _s : s) { System.out.println(_s + _i); } }
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∞ secuencia hibernate
public String getSeqEventoEspecial() throws BusinessException { String secuencia = ""; StringBuilder qry = new StringBuilder(); try { Session sess = ht.getSessionFactory().openSession(); secuencia = sess.createSQLQuery("select SEQ_EVENTOESP.nextval from dual").list().get(0).toString(); System.out.println(secuencia); sess.close(); } catch (Exception e) { log.error("Error al obtener la secuencia: ",e); e.printStackTrace(); } return secuencia; }
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∞ sample hibernate entity hbm
<?xml version="1.0"?> <!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN" "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd"> <hibernate-mapping> <class name="com.ssh.tzx.pojos.Article" table="t_article"> <id name="id"> <generator class="native"/> </id> <property name="username"/> <property name="title"/> <property name="content" type="org.springframework.orm.hibernate3.support.ClobStringType" update="true" insert="true"></property> <property name="articledate"></property> <property name="browseHistoryCount" /> <many-to-one name="articleCat" column="articleCatId" lazy="false"/> </class> </hibernate-mapping>
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∞ sample spring hibernate integration config
<?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.0.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.0.xsd"> <bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean"> <property name="configLocation"> <value>classpath:hibernate.cfg.xml</value> </property> <property name="lobHandler"> <ref bean="lobHandler" /> </property> </bean> <bean name="lobHandler" class="org.springframework.jdbc.support.lob.DefaultLobHandler" lazy-init="default" /> <bean id="transactionManager" class="org.springframework.orm.hibernate3.HibernateTransactionManager" > <property name="sessionFactory"> <ref bean="sessionFactory"/> </property> </bean> <tx:advice id="advice" transaction-manager="transactionManager" > <tx:attributes> <tx:method name="add*" propagation="REQUIRED"/> <tx:method name="dele*" propagation="REQUIRED"/> <tx:method name="modify*" propagation="REQUIRED"/> <tx:method name="find*" propagation="REQUIRED"/> <tx:method name="save*" propagation="REQUIRED"/> <tx:method name="init*" propagation="REQUIRED"/> <tx:method name="jump*" propagation="REQUIRED"/> <tx:method name="refresh*" propagation="REQUIRED"/> <tx:method name="*" read-only="true"/> </tx:attributes> </tx:advice> <aop:config> <aop:pointcut id="managerMethod" expression="execution(* com.ssh.tzx.daoimpl.*.*(..))"/> <aop:advisor pointcut-ref="managerMethod" advice-ref="advice"/> </aop:config> </beans>
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∞ empty ehcache config file
<ehcache> <!-- Sets the path to the directory where cache .data files are created. If the path is a Java System Property it is replaced by its value in the running VM. The following properties are translated: user.home - User's home directory user.dir - User's current working directory java.io.tmpdir - Default temp file path --> <diskStore path="java.io.tmpdir"/> <!--Default Cache configuration. These will applied to caches programmatically created through the CacheManager. The following attributes are required for defaultCache: maxInMemory - Sets the maximum number of objects that will be created in memory eternal - Sets whether elements are eternal. If eternal, timeouts are ignored and the element is never expired. timeToIdleSeconds - Sets the time to idle for an element before it expires. Is only used if the element is not eternal. Idle time is now - last accessed time timeToLiveSeconds - Sets the time to live for an element before it expires. Is only used if the element is not eternal. TTL is now - creation time overflowToDisk - Sets whether elements can overflow to disk when the in-memory cache has reached the maxInMemory limit. --> <defaultCache maxElementsInMemory="10000" eternal="false" timeToIdleSeconds="120" timeToLiveSeconds="120" overflowToDisk="true" /> </ehcache>
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∞ struts2 startup actions descriptions config
<?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN" "http://struts.apache.org/dtds/struts-2.0.dtd"> <struts> <package name="test" namespace="/example" extends="struts-default"> <action name="test" class="com.buaaer.struts2demo.DemoAction"> <result name="success">/WEB-INF/pages/testSuccess.jsp</result> </action> </package> </struts>
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∞ hibernate configuration startup
# connection info hibernate.connection.url=jdbc:mysql://localhost/eshop hibernate.connection.driver_class=com.mysql.jdbc.Driver hibernate.connection.username=root hibernate.connection.password= hibernate.dialect=org.hibernate.dialect.MySQLDialect # hibernate configuration parameters hibernate.hbm2ddl.auto=update hibernate.show_sql=true hibernate.cache.use_query_cache=true hibernate.jdbc.batch_size=20 hibernate.current_session_context_class=thread # second level cache configuration hibernate.cache.use_second_level_cache=true hibernate.cache.provider_class=org.hibernate.cache.EhCacheProvider
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∞ hibernate sessionfactory startup config
<?xml version='1.0' encoding='UTF-8'?> <!DOCTYPE hibernate-configuration PUBLIC "-//Hibernate/Hibernate Configuration DTD 3.0//EN" "http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd"> <hibernate-configuration> <session-factory> <mapping resource="com/ssh/tzx/pojos/Article.hbm.xml" /> <mapping resource="com/ssh/tzx/pojos/Author.hbm.xml" /> <mapping resource="com/ssh/tzx/pojos/Category.hbm.xml" /> </session-factory> </hibernate-configuration>
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∞ log4j sample configuration
### direct log messages to stdout ### log4j.appender.stdout=org.apache.log4j.ConsoleAppender log4j.appender.stdout.Target=System.out log4j.appender.stdout.layout=org.apache.log4j.PatternLayout log4j.appender.stdout.layout.ConversionPattern=%d{ABSOLUTE} %5p %c{1}:%L - %m%n ### direct messages to file hibernate.log ### #log4j.appender.file=org.apache.log4j.FileAppender #log4j.appender.file.File=hibernate.log #log4j.appender.file.layout=org.apache.log4j.PatternLayout #log4j.appender.file.layout.ConversionPattern=%d{ABSOLUTE} %5p %c{1}:%L - %m%n ### set log levels - for more verbose logging change 'info' to 'debug' ### log4j.rootLogger=warn, stdout #log4j.logger.org.hibernate=info #log4j.logger.org.hibernate=debug ### log HQL query parser activity #log4j.logger.org.hibernate.hql.ast.AST=debug ### log just the SQL #log4j.logger.org.hibernate.SQL=debug ### log JDBC bind parameters ### #log4j.logger.org.hibernate.type=info #log4j.logger.org.hibernate.type=debug ### log schema export/update ### #log4j.logger.org.hibernate.tool.hbm2ddl=debug ### log HQL parse trees #log4j.logger.org.hibernate.hql=debug ### log cache activity ### #log4j.logger.org.hibernate.cache=debug ### log transaction activity #log4j.logger.org.hibernate.transaction=debug ### log JDBC resource acquisition #log4j.logger.org.hibernate.jdbc=debug ### enable the following line if you want to track down connection ### ### leakages when using DriverManagerConnectionProvider ### #log4j.logger.org.hibernate.connection.DriverManagerConnectionProvider=trace -
∞ struts2 startup config
<filter> <filter-name>struts2</filter-name> <filter-class>org.apache.struts2.dispatcher.FilterDispatcher</filter-class> </filter> <filter-mapping> <filter-name>struts2</filter-name> <url-pattern>/*</url-pattern> </filter-mapping>
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∞ java web-app version 2.4 template
<?xml version="1.0" encoding="UTF-8"?> <web-app version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd"> <welcome-file-list> <welcome-file>index.jsp</welcome-file> </welcome-file-list> <error-page> <error-code>404</error-code> <location>/noFound.html</location> </error-page> <error-page> <error-code>500</error-code> <location>/error.html</location> </error-page> </web-app>
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∞ spring startup config in web.xml
<context-param> <param-name>contextConfigLocation</param-name> <param-value> classpath*:applicationContext-*.xml </param-value> </context-param> <listener> <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> </listener>
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∞ open session in view in spring hibernate integration
<filter> <filter-name>OpenSessionInViewFilter</filter-name> <filter-class>org.springframework.orm.hibernate3.support.OpenSessionInViewFilter</filter-class> </filter> <filter-mapping> <filter-name>OpenSessionInViewFilter</filter-name> <url-pattern>/*</url-pattern> </filter-mapping>
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∞ calculadora winder
/* * To change this template, choose Tools | Templates * and open the template in the editor. */ package javaapplication1; import javax.swing.JOptionPane; /** * * @author Hipolito */ public class Main { public static float Adicao(float x, float y) { float resultado; resultado=x+y; JOptionPane.showMessageDialog(null,resultado); return 0; } public static float Subtracao(float x,float y) { float resultado; resultado= x-y; JOptionPane.showMessageDialog(null,resultado); return 0; } public static float divisao (float x,float y) { float resultado; resultado= x/y; JOptionPane.showMessageDialog(null,resultado); return 0; } public static float Multiplicacao(float x,float y) { float resultado; resultado= x*y; JOptionPane.showMessageDialog(null,resultado); return 0; } /** * @param args the command line arguments */ public static void main(String[] args) { int decidirRepeticao; do{ float a,b; int escolha; JOptionPane.showMessageDialog(null,"\t********** Calculadora do Winder ***********"); JOptionPane.showMessageDialog(null,"------- Digite a operacao matematica que voce quer fazer \n"); JOptionPane.showMessageDialog(null,"1---Adicao \n"); JOptionPane.showMessageDialog(null,"2---Subtracao\n"); JOptionPane.showMessageDialog(null,"3---multiplicacao\n"); JOptionPane.showMessageDialog(null,"4---divisao\n"); escolha=Integer.parseInt(JOptionPane.showInputDialog(null,"Escolha uma operacao ","\t",3)); if(escolha!=1&&escolha!=2&&escolha!=3&&escolha!=4&&escolha!=5) { JOptionPane.showMessageDialog(null,"Digite o numero 1,2,3,4 ou 5 \n\n"); System.exit(0); } switch(escolha)//funcao switch declarada { case 1: JOptionPane.showMessageDialog(null,"\n Digite o primeiro numero e tecle enter, digite o segundo e tecle enter\n"); break; case 2: JOptionPane.showMessageDialog(null,"\n Digite o primeiro numero e tecle enter, digite o segundo e tecle enter \n"); break; case 3: JOptionPane.showMessageDialog(null,"\n Digite o primeiro numero e tecle enter, digite o segundo e tecle enter \n"); break; case 4: JOptionPane.showMessageDialog(null,"\n Digite o primeiro numero e tecle enter, digite o segundo e tecle enter \n"); break; case 5: System.exit(0); }//fim de switch a=Float.parseFloat(JOptionPane.showInputDialog(null,"\t ","\t",3)); b=Float.parseFloat(JOptionPane.showInputDialog(null,"\t ","\t",3)); if(escolha==1) { Adicao(a,b); } if(escolha==2) { Subtracao(a,b); } if(escolha==3) { Multiplicacao(a,b); } if(escolha==4) { divisao(a,b); } decidirRepeticao=Integer.parseInt(JOptionPane.showInputDialog(null,"Para reiniciar a calculadora, digite 1, para sair digite qualquer outro numero\n ","\t",3)); }while(decidirRepeticao==1); System.exit(0); // TODO code application logic here }}