Types of web services Big web services – SOAP based web services, xml only Restful supports xml and json Different types of web service generation axis2 uses wsdl2java to generate code cxf supports jax-ws and jax-rs ( restful web service), it uses annotation and wsimport wsimport from java itself of jax-ws 2.0 jax-rpc and jax-ws…

ClassLoader cl = ClassLoader.getSystemClassLoader(); URL[] urls = ((URLClassLoader)cl).getURLs(); for(URL url: urls){ System.out.println(url.getFile()); }

– open file vertically vim -O file1 file2 – horizontally vim -o file1 file2 – open one file in vim, then split for the second file horizontally :new file2 or :sp file2 – vertifically :vsp file2 – horizontally ctrl + wv and :e file2 – vertically ctrl + ws and :e file2

####inistall yum install httpd ####control /etc/init.d/httpd start/stop/restart/status ####config vi /etc/httpd/conf/httpd.conf

__str.matches(“\\\d+”);__ d+ –> one or more digits It allows starting with 0, eg. 0000124 __str.matches(“^[1-9]\\\d+”);__ It doesn’t allow starting with 0

zip -r output.zip input -x “\*\*/.svn\*\*” zip -r output.zip input -x “\*.git\*”

TBC

JPA is a specification defined for java by sun. It does not provide any implementation. It was originally developed by EJB 3.0 software expert group, but it is not limited to EJB software components. Hibernate has an implementation of JPA.

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