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Tag: Java

XML date Bind to Java object dates

See answer in English> jaxb unmarshal timestamp 4
I have a simple xml string like this

t59
2013-06-06 21:51:42.252
NOMTEST< br /> 12.70
N
2013-06-06 21:51:42.252
I have a pojo

October 21, 2021By Simo XML binding, Date, Java, object, XMLLeave a Comment

Use reflection (not JAXB) to convert XML to existing Java Bean

The intent of this question is the same as in this SO question, except that I tried to implement it without JAXB. But use the reflection used by JAXB.

XML is just a data source, I need Extrac

October 21, 2021By Simo XML Bean, conversion, Existing, Java, JAXB, not, Reflection, Using, XMLLeave a Comment

Java.lang.OutofMemoryError when converting XML in a huge directory

I want to use XSLT2 to transform XML files in a huge directory with many levels. There are more than 1 million files, each of which is 4 to 10 kB. After a while I always Received java.lang.OutOfMem

October 21, 2021By Simo XML catalog, conversion, great, Java, Java.lang.OutofMemoryError, Lang, middle, OutofMemoryError, XMLLeave a Comment

Operating System – Managers and Java Virtual Machines

The question I want to ask is:

1) What exactly does the hypervisor do? Why is it needed?

2) What is the difference between hypervisor and Java Virtual mMchine?

3) Does JVM use a h

October 17, 2021By Simo Os Theory Java, management, Operating System, program, Virtual MachineLeave a Comment

BYTE – CRC16 Recommend Java

I have a problem when calculating the CRC-16 implementation of a byte array in java. Basically I am trying to send the bytes to the RFID that starts to write the tag. I can use the mac Check the tc

October 17, 2021By Simo Os Theory byte, CRC, CRC16, Implementation, JavaLeave a Comment

Linux CentOS7 installed Java

1, http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html
First go to download the linux jdk corresponding to java.
2. Use the ftp tool to upload to the /usr directory

October 16, 2021By Simo Linux centos, centos7, installation, Java, linuxLeave a Comment

[Data Structure] 2.java Source Code About LinkedList

Focus on the source code of LinkedList
1. From the underlying data structure, expansion strategy
2. LinkedList additions, deletions and changes
3. Special processing focuses on attention
4. Trave

October 15, 2021By Simo Data Structure 2.java, About, Data Structure, Java, LinkedList, Source CodeLeave a Comment

Spring, Java Reflection Characteristics Record

Dynamic generation of classes and spring bean management when the java reflection mechanism is running provides great flexibility to the code. It is simple to do whatever you want. It is not recomm

October 14, 2021By Simo Spring Features, Java, Record, Reflection, springLeave a Comment

Deploy Java Web Project with Jetty

1. Jetty installation

1, jetty

Download from the official website: jetty-distribution-8.1.15.v20140411

jetty-distribution-9.2.9.v20150224 .zip

Extract jetty directly to its

October 13, 2021By Simo Jetty deployment, Java, jetty, project, utilization, WEBLeave a Comment

Jetty9-implemented Java version of WebcokeT server and client

Continued from the above, “A brief analysis of the websocket protocol”. Share the webcoket server and client demo based on jetty9 to implement java version.
There is no theory, not much to say, t

October 13, 2021By Simo Jetty Based on, client, Edition, Implementation, Java, jetty, Jetty9, net, Services, WebcoketLeave a Comment

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