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Recent Posts
Categories
- Design (2)
- Elasticsearch (3)
- Golang (5)
- hadoop (2)
- Java (11)
- Kubernetes (1)
- linux (1)
- Maven (1)
- Openshift (1)
- Performance (1)
- Scala (2)
- Security (3)
- Spark (2)
- Spring (2)
- Spring Batch (1)
- Spring Boot (1)
- sqoop (1)
- UI (1)
- unix (1)
- Vim (2)
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Tags
annotation
apache hive 3
cdp
cloudera
commands
CORS
cronjob
design pattern
DNS
elastic
elasticsearch
go
golang
hadoop
hdfs
hive
http
ip
java
jms
junit
Kubernetes
mq
mysql
nginx
Openshift
oracle
proxy
proxy_pass
queue
rdbms
resolution
resolver
reverseproxy
scala
server
spark
spring
springboot
spring boot
sqoop
string
timezone
upstream
vim
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Different ways of implementing Singleton Design Pattern in Java
The singleton design pattern is used to restrict the instantiation of a class and ensures that only one instance of the class exists in the JVM. In other words, a singleton. read more…
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Criticism of Design Pattern
In software engineering, a design pattern is a general repeatable solution to a commonly occurring problem in software design. A design pattern isn’t a finished design that can be transformed directly into code. It is a description or template for how to solve a problem that can be used in many different situations.
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