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Design patterns implemented in Java

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https://www.oreilly.com/library/view/j2ee-design-patterns/0596004273/re05.html

status: under construction
epic: pattern
type: feature
priority: normal

![CB](https://user-images.githubusercontent.com/58337761/151684862-b05babb8-180e-472d-b6c0-923b0b16127a.png)

type: bug
info: help wanted
info: good first issue
info: hacktoberfest
priority: normal
epic: code quality

![image](https://user-images.githubusercontent.com/39300225/154443661-c12f821f-5942-4903-b158-8c5450711ab8.png)

type: bug
info: help wanted
epic: pattern
epic: web site
info: good first issue

Fix Inssue #1957 about Casting

Bumps logback-core from 1.2.3 to 1.2.9. [![Dependabot compatibility score](https://dependabot-badges.githubapp.com/badges/compatibility_score?dependency-name=ch.qos.logback:logback-core&package-manager=maven&previous-version=1.2.3&new-version=1.2.9)](https://docs.github.com/en/github/managing-security-vulnerabilities/about-dependabot-security-updates#about-compatibility-scores) Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a...

epic: dependencies

There's always a checkstyle violation in my pull request. I have run several kinds of checkstyle tools in my local machine but there's no error. So I can't find the...

Pull request title - Add component pattern implementation and uml class diagram. - This is to solve the issue https://github.com/iluwatar/java-design-patterns/issues/556. Pull request description - Implement the money pattern according to...

status: under review

In the current example of the Visitor patter the `UnitVisitor` described as follow: ```java public interface UnitVisitor { void visitSoldier(Soldier soldier); void visitSergeant(Sergeant sergeant); void visitCommander(Commander commander); } ``` This...

status: under construction
epic: pattern
type: enhancement
priority: normal

https://www.oracle.com/technetwork/java/viewhelper-139885.html

info: help wanted
epic: pattern
type: feature

I use hibernate and h2 inherited from the parent pom.xml whose version are `5.2.18.Final`. But I find the `org.hibernate.dialect.H2Dialect` extends from `org.hibernate.dialect.Dialect` didn't override method `getCurrentSchemaCommand`, which leeds it reture...

type: bug
status: under construction
epic: dependencies
priority: normal