René's URL Explorer Experiment

Title: History for singleton/src - javaccoder/java-design-patterns · GitHub

Open Graph Title: History for singleton/src - javaccoder/java-design-patterns

X Title: History for singleton/src - javaccoder/java-design-patterns

Description: Design patterns implemented in Java. Contribute to javaccoder/java-design-patterns development by creating an account on GitHub.

Open Graph Description: Design patterns implemented in Java. Contribute to javaccoder/java-design-patterns development by creating an account on GitHub.

X Description: Design patterns implemented in Java. Contribute to javaccoder/java-design-patterns development by creating an account on GitHub.

Opengraph URL: https://github.com/javaccoder/java-design-patterns

X: @github

direct link

Domain: github.com

route-pattern	/:user_id/:repository/commits(/*name)
route-controller	commits
route-action	show
fetch-nonce	v2:ebb08807-0e64-fe8c-f5b2-2d13e53e2a58
current-catalog-service-hash	f3abb0cc802f3d7b95fc8762b94bdcb13bf39634c40c357301c4aa1d67a256fb
request-id	8656:1C6F95:88F7F4:8D0180:6A638426
html-safe-nonce	be72e5246b04144759330a6cf45162baac0e265918898a65735ceb2ee7e31117
visitor-payload	eyJyZWZlcnJlciI6IiIsInJlcXVlc3RfaWQiOiI4NjU2OjFDNkY5NTo4OEY3RjQ6OEQwMTgwOjZBNjM4NDI2IiwidmlzaXRvcl9pZCI6Ijg0MDI2NjQ2Njk1MzU1MDMzOTgiLCJyZWdpb25fZWRnZSI6InNlYSIsInJlZ2lvbl9yZW5kZXIiOiJzZWEifQ==
visitor-hmac	656f889d34e6f6ef7fb7c5d996a9419fed997f74493c02bcd680934e36d29619
hovercard-subject-tag	repository:108211165
github-keyboard-shortcuts	repository,commit-list,copilot
google-site-verification	Apib7-x98H0j5cPqHWwSMm6dNU4GmODRoqxLiDzdx9I
octolytics-url	https://collector.github.com/github/collect
analytics-location	///commits/show
fb:app_id	1401488693436528
apple-itunes-app	app-id=1477376905, app-argument=https://github.com/javaccoder/java-design-patterns/commits/ProxyExample/singleton/src
twitter:image	https://opengraph.githubassets.com/1e5af40698d8865736d20ea54e4106055c3c09c334cb03695864d3b3e29c5dc7/javaccoder/java-design-patterns
twitter:card	summary_large_image
og:image	https://opengraph.githubassets.com/1e5af40698d8865736d20ea54e4106055c3c09c334cb03695864d3b3e29c5dc7/javaccoder/java-design-patterns
og:image:alt	Design patterns implemented in Java. Contribute to javaccoder/java-design-patterns development by creating an account on GitHub.
og:image:width	1200
og:image:height	600
og:site_name	GitHub
og:type	object
hostname	github.com
expected-hostname	github.com
None	e4fb64aef87da454ec25b158147f7f5f14aef29216e5ca1612c2e48faa599d1f
turbo-cache-control	no-cache
go-import	github.com/javaccoder/java-design-patterns git https://github.com/javaccoder/java-design-patterns.git
octolytics-dimension-user_id	9974203
octolytics-dimension-user_login	javaccoder
octolytics-dimension-repository_id	108211165
octolytics-dimension-repository_nwo	javaccoder/java-design-patterns
octolytics-dimension-repository_public	true
octolytics-dimension-repository_is_fork	true
octolytics-dimension-repository_parent_id	22790488
octolytics-dimension-repository_parent_nwo	iluwatar/java-design-patterns
octolytics-dimension-repository_network_root_id	22790488
octolytics-dimension-repository_network_root_nwo	iluwatar/java-design-patterns
turbo-body-classes	logged-out env-production page-responsive
disable-turbo	false
browser-stats-url	https://api.github.com/_private/browser/stats
browser-errors-url	https://api.github.com/_private/browser/errors
release	e839936ba5faffb9c836dda1cf4729d50c88a32e
ui-target	full
theme-color	#1e2327
color-scheme	light dark

Links:

Skip to content	https://github.com/javaccoder/java-design-patterns/commits/ProxyExample/singleton/src#start-of-content
	https://github.com/
Sign in	https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fjavaccoder%2Fjava-design-patterns%2Fcommits%2FProxyExample%2Fsingleton%2Fsrc
GitHub CopilotWrite better code with AI	https://github.com/features/copilot
GitHub Copilot appDirect agents from issue to merge	https://github.com/features/ai/github-app
MCP RegistryNewIntegrate external tools	https://github.com/mcp
ActionsAutomate any workflow	https://github.com/features/actions
CodespacesInstant dev environments	https://github.com/features/codespaces
IssuesPlan and track work	https://github.com/features/issues
Code ReviewManage code changes	https://github.com/features/code-review
Code QualityEnforce quality at merge	https://github.com/features/code-quality
GitHub Advanced SecurityFind and fix vulnerabilities	https://github.com/security/advanced-security
Code securitySecure your code as you build	https://github.com/security/advanced-security/code-security
Secret protectionStop leaks before they start	https://github.com/security/advanced-security/secret-protection
Why GitHub	https://github.com/why-github
Documentation	https://docs.github.com
Blog	https://github.blog
Changelog	https://github.blog/changelog
Marketplace	https://github.com/marketplace
View all features	https://github.com/features
Enterprises	https://github.com/enterprise
Small and medium teams	https://github.com/team
Startups	https://github.com/enterprise/startups
Nonprofits	https://github.com/solutions/industry/nonprofits
App Modernization	https://github.com/solutions/use-case/app-modernization
DevSecOps	https://github.com/solutions/use-case/devsecops
DevOps	https://github.com/solutions/use-case/devops
CI/CD	https://github.com/solutions/use-case/ci-cd
View all use cases	https://github.com/solutions/use-case
Healthcare	https://github.com/solutions/industry/healthcare
Financial services	https://github.com/solutions/industry/financial-services
Manufacturing	https://github.com/solutions/industry/manufacturing
Government	https://github.com/solutions/industry/government
View all industries	https://github.com/solutions/industry
View all solutions	https://github.com/solutions
AI	https://github.com/resources/articles?topic=ai
Software Development	https://github.com/resources/articles?topic=software-development
DevOps	https://github.com/resources/articles?topic=devops
Security	https://github.com/resources/articles?topic=security
View all topics	https://github.com/resources/articles
Customer stories	https://github.com/customer-stories
Events & webinars	https://github.com/resources/events
Ebooks & reports	https://github.com/resources/whitepapers
Business insights	https://github.com/solutions/executive-insights
GitHub Skills	https://skills.github.com
Documentation	https://docs.github.com
Customer support	https://support.github.com
Community forum	https://github.com/orgs/community/discussions
Trust center	https://github.com/trust-center
Partners	https://github.com/partners
View all resources	https://github.com/resources
GitHub SponsorsFund open source developers	https://github.com/open-source/sponsors
Security Lab	https://securitylab.github.com
Maintainer Community	https://maintainers.github.com
Accelerator	https://github.com/open-source/accelerator
GitHub Stars	https://stars.github.com
Archive Program	https://archiveprogram.github.com
Topics	https://github.com/topics
Trending	https://github.com/trending
Collections	https://github.com/collections
Enterprise platformAI-powered developer platform	https://github.com/enterprise
GitHub Advanced SecurityEnterprise-grade security features	https://github.com/security/advanced-security
Copilot for BusinessEnterprise-grade AI features	https://github.com/features/copilot/copilot-business
Premium SupportEnterprise-grade 24/7 support	https://github.com/enterprise/premium-support
Pricing	https://github.com/pricing
Search syntax tips	https://docs.github.com/search-github/github-code-search/understanding-github-code-search-syntax
documentation	https://docs.github.com/search-github/github-code-search/understanding-github-code-search-syntax
Sign in	https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fjavaccoder%2Fjava-design-patterns%2Fcommits%2FProxyExample%2Fsingleton%2Fsrc
Sign up	https://github.com/signup?ref_cta=Sign+up&ref_loc=header+logged+out&ref_page=%2F%3Cuser-name%3E%2F%3Crepo-name%3E%2Fcommits%2Fshow&source=header-repo&source_repo=javaccoder%2Fjava-design-patterns
Reload	https://github.com/javaccoder/java-design-patterns/commits/ProxyExample/singleton/src
Reload	https://github.com/javaccoder/java-design-patterns/commits/ProxyExample/singleton/src
Reload	https://github.com/javaccoder/java-design-patterns/commits/ProxyExample/singleton/src
Please reload this page	https://github.com/javaccoder/java-design-patterns/commits/ProxyExample/singleton/src
javaccoder	https://github.com/javaccoder
java-design-patterns	https://github.com/javaccoder/java-design-patterns
iluwatar/java-design-patterns	https://github.com/iluwatar/java-design-patterns
Notifications	https://github.com/login?return_to=%2Fjavaccoder%2Fjava-design-patterns
Fork 0	https://github.com/login?return_to=%2Fjavaccoder%2Fjava-design-patterns
Star 0	https://github.com/login?return_to=%2Fjavaccoder%2Fjava-design-patterns
Code	https://github.com/javaccoder/java-design-patterns/tree/ProxyExample
Pull requests 0	https://github.com/javaccoder/java-design-patterns/pulls
Actions	https://github.com/javaccoder/java-design-patterns/actions
Projects	https://github.com/javaccoder/java-design-patterns/projects
Wiki	https://github.com/javaccoder/java-design-patterns/wiki
Security and quality 0	https://github.com/javaccoder/java-design-patterns/security
Insights	https://github.com/javaccoder/java-design-patterns/pulse
Code	https://github.com/javaccoder/java-design-patterns/tree/ProxyExample
Pull requests	https://github.com/javaccoder/java-design-patterns/pulls
Actions	https://github.com/javaccoder/java-design-patterns/actions
Projects	https://github.com/javaccoder/java-design-patterns/projects
Wiki	https://github.com/javaccoder/java-design-patterns/wiki
Security and quality	https://github.com/javaccoder/java-design-patterns/security
Insights	https://github.com/javaccoder/java-design-patterns/pulse
java-design-patterns	https://github.com/javaccoder/java-design-patterns/commits
singleton	https://github.com/javaccoder/java-design-patterns/commits/ProxyExample/singleton
src	https://github.com/javaccoder/java-design-patterns/commits/ProxyExample/singleton/src
ProxyExample	https://github.com/javaccoder/java-design-patterns/tree/ProxyExample
Change access level to private	https://github.com/javaccoder/java-design-patterns/commit/095adda7e925e4d3925e9f6fe7d61b8018fc8d1b
	https://github.com/alexsomai
alexsomai	https://github.com/javaccoder/java-design-patterns/commits?author=alexsomai
095adda	https://github.com/javaccoder/java-design-patterns/commit/095adda7e925e4d3925e9f6fe7d61b8018fc8d1b
	https://github.com/javaccoder/java-design-patterns/blob/095adda7e925e4d3925e9f6fe7d61b8018fc8d1b/singleton/src
	https://github.com/javaccoder/java-design-patterns/tree/095adda7e925e4d3925e9f6fe7d61b8018fc8d1b
Remove extra space	https://github.com/javaccoder/java-design-patterns/commit/f16ae08bdf5e4949bc1a169ef44244d8c4b30a74
	https://github.com/alexsomai
alexsomai	https://github.com/javaccoder/java-design-patterns/commits?author=alexsomai
f16ae08	https://github.com/javaccoder/java-design-patterns/commit/f16ae08bdf5e4949bc1a169ef44244d8c4b30a74
	https://github.com/javaccoder/java-design-patterns/blob/f16ae08bdf5e4949bc1a169ef44244d8c4b30a74/singleton/src
	https://github.com/javaccoder/java-design-patterns/tree/f16ae08bdf5e4949bc1a169ef44244d8c4b30a74
Documented singleton double check idiom, explaining the dynamics that happen on each step for better understanding. Did this due to a PR #475	https://github.com/javaccoder/java-design-patterns/commit/d484e7f731fe36832b4dd3ee690c1180bcc6117b
	https://github.com/npathai
npathai	https://github.com/javaccoder/java-design-patterns/commits?author=npathai
d484e7f	https://github.com/javaccoder/java-design-patterns/commit/d484e7f731fe36832b4dd3ee690c1180bcc6117b
	https://github.com/javaccoder/java-design-patterns/blob/d484e7f731fe36832b4dd3ee690c1180bcc6117b/singleton/src
	https://github.com/javaccoder/java-design-patterns/tree/d484e7f731fe36832b4dd3ee690c1180bcc6117b
removed extra "is" from the javadoc of InitializingOnDemandHolderIdiom class	https://github.com/javaccoder/java-design-patterns/commit/94c3a2caf3cccba03197a53fb6c3e03190036d8f
	https://github.com/sumityadav6541
sumityadav6541	https://github.com/javaccoder/java-design-patterns/commits?author=sumityadav6541
94c3a2c	https://github.com/javaccoder/java-design-patterns/commit/94c3a2caf3cccba03197a53fb6c3e03190036d8f
	https://github.com/javaccoder/java-design-patterns/blob/94c3a2caf3cccba03197a53fb6c3e03190036d8f/singleton/src
	https://github.com/javaccoder/java-design-patterns/tree/94c3a2caf3cccba03197a53fb6c3e03190036d8f
Improve Singleton holder example	https://github.com/javaccoder/java-design-patterns/commit/2ed3748c9bf0a6170cb07e647d7d758b4f6d6114
	https://github.com/iseppala
iseppala	https://github.com/javaccoder/java-design-patterns/commits?author=iseppala
2ed3748	https://github.com/javaccoder/java-design-patterns/commit/2ed3748c9bf0a6170cb07e647d7d758b4f6d6114
	https://github.com/javaccoder/java-design-patterns/blob/2ed3748c9bf0a6170cb07e647d7d758b4f6d6114/singleton/src
	https://github.com/javaccoder/java-design-patterns/tree/2ed3748c9bf0a6170cb07e647d7d758b4f6d6114
Merge pull request #384 from DevFactory/release/Redundant-Field-Initializer-fix-1	https://github.com/javaccoder/java-design-patterns/commit/dfef28e93eb942fc8e9ca12eca64e0ae568aa6b2
	https://github.com/npathai
npathai	https://github.com/javaccoder/java-design-patterns/commits?author=npathai
dfef28e	https://github.com/javaccoder/java-design-patterns/commit/dfef28e93eb942fc8e9ca12eca64e0ae568aa6b2
	https://github.com/javaccoder/java-design-patterns/blob/dfef28e93eb942fc8e9ca12eca64e0ae568aa6b2/singleton/src
	https://github.com/javaccoder/java-design-patterns/tree/dfef28e93eb942fc8e9ca12eca64e0ae568aa6b2
pmd:RedundantFieldInitializer - Redundant-Field-Initializer	https://github.com/javaccoder/java-design-patterns/commit/0003c6cb0034f3967c7a85d5dab1f920d0e9d02e
0003c6c	https://github.com/javaccoder/java-design-patterns/commit/0003c6cb0034f3967c7a85d5dab1f920d0e9d02e
	https://github.com/javaccoder/java-design-patterns/blob/0003c6cb0034f3967c7a85d5dab1f920d0e9d02e/singleton/src
	https://github.com/javaccoder/java-design-patterns/tree/0003c6cb0034f3967c7a85d5dab1f920d0e9d02e
squid:S2974 - Classes without public constructors should be final	https://github.com/javaccoder/java-design-patterns/commit/632174b6dc5f36a38b2fcb072166bef0c8358358
632174b	https://github.com/javaccoder/java-design-patterns/commit/632174b6dc5f36a38b2fcb072166bef0c8358358
	https://github.com/javaccoder/java-design-patterns/blob/632174b6dc5f36a38b2fcb072166bef0c8358358/singleton/src
	https://github.com/javaccoder/java-design-patterns/tree/632174b6dc5f36a38b2fcb072166bef0c8358358
#358 Added license to all files using plugin	https://github.com/javaccoder/java-design-patterns/commit/3d956960789de9dd6c805d99f5dddd2febac5abf
	https://github.com/mikulucky
mikulucky	https://github.com/javaccoder/java-design-patterns/commits?author=mikulucky
3d95696	https://github.com/javaccoder/java-design-patterns/commit/3d956960789de9dd6c805d99f5dddd2febac5abf
	https://github.com/javaccoder/java-design-patterns/blob/3d956960789de9dd6c805d99f5dddd2febac5abf/singleton/src
	https://github.com/javaccoder/java-design-patterns/tree/3d956960789de9dd6c805d99f5dddd2febac5abf
Added tests for singleton pattern	https://github.com/javaccoder/java-design-patterns/commit/d0cdf84936ac0e7908f8d76faa63e8f4c1e69c29
	https://github.com/fluxw42
fluxw42	https://github.com/javaccoder/java-design-patterns/commits?author=fluxw42
d0cdf84	https://github.com/javaccoder/java-design-patterns/commit/d0cdf84936ac0e7908f8d76faa63e8f4c1e69c29
	https://github.com/javaccoder/java-design-patterns/blob/d0cdf84936ac0e7908f8d76faa63e8f4c1e69c29/singleton/src
	https://github.com/javaccoder/java-design-patterns/tree/d0cdf84936ac0e7908f8d76faa63e8f4c1e69c29
Fix PMD violations #327	https://github.com/javaccoder/java-design-patterns/commit/5f033be54fef0976fd874381591a527c19059286
	https://github.com/iluwatar
iluwatar	https://github.com/javaccoder/java-design-patterns/commits?author=iluwatar
5f033be	https://github.com/javaccoder/java-design-patterns/commit/5f033be54fef0976fd874381591a527c19059286
	https://github.com/javaccoder/java-design-patterns/blob/5f033be54fef0976fd874381591a527c19059286/singleton/src
	https://github.com/javaccoder/java-design-patterns/tree/5f033be54fef0976fd874381591a527c19059286
Adjust checkstyle rules. Make checkstyle fail the build when violations are found. Correct all current checkstyle violations.	https://github.com/javaccoder/java-design-patterns/commit/cec9a99410a0544ff0f1a5853443ef9dcff0a9e7
	https://github.com/iluwatar
iluwatar	https://github.com/javaccoder/java-design-patterns/commits?author=iluwatar
cec9a99	https://github.com/javaccoder/java-design-patterns/commit/cec9a99410a0544ff0f1a5853443ef9dcff0a9e7
	https://github.com/javaccoder/java-design-patterns/blob/cec9a99410a0544ff0f1a5853443ef9dcff0a9e7/singleton/src
	https://github.com/javaccoder/java-design-patterns/tree/cec9a99410a0544ff0f1a5853443ef9dcff0a9e7
Reformat rest of the design patterns - Issue #224	https://github.com/javaccoder/java-design-patterns/commit/306b1f3d31751448d1904657d065bd0241e9dec2
	https://github.com/ankurkaushal
ankurkaushal	https://github.com/javaccoder/java-design-patterns/commits?author=ankurkaushal
306b1f3	https://github.com/javaccoder/java-design-patterns/commit/306b1f3d31751448d1904657d065bd0241e9dec2
	https://github.com/javaccoder/java-design-patterns/blob/306b1f3d31751448d1904657d065bd0241e9dec2/singleton/src
	https://github.com/javaccoder/java-design-patterns/tree/306b1f3d31751448d1904657d065bd0241e9dec2
Synchronise the list as multiple threads are calling it	https://github.com/javaccoder/java-design-patterns/commit/7ab799c452a31584e52f1f33535aac80ed0c871e
7ab799c	https://github.com/javaccoder/java-design-patterns/commit/7ab799c452a31584e52f1f33535aac80ed0c871e
	https://github.com/javaccoder/java-design-patterns/blob/7ab799c452a31584e52f1f33535aac80ed0c871e/singleton/src
	https://github.com/javaccoder/java-design-patterns/tree/7ab799c452a31584e52f1f33535aac80ed0c871e
Update comment	https://github.com/javaccoder/java-design-patterns/commit/5d970438bfdacae104146ba1399f4c2b453b60e4
5d97043	https://github.com/javaccoder/java-design-patterns/commit/5d970438bfdacae104146ba1399f4c2b453b60e4
	https://github.com/javaccoder/java-design-patterns/blob/5d970438bfdacae104146ba1399f4c2b453b60e4/singleton/src
	https://github.com/javaccoder/java-design-patterns/tree/5d970438bfdacae104146ba1399f4c2b453b60e4
Update comment	https://github.com/javaccoder/java-design-patterns/commit/0d068a35d802731ac52f226ee6350251418059d4
0d068a3	https://github.com/javaccoder/java-design-patterns/commit/0d068a35d802731ac52f226ee6350251418059d4
	https://github.com/javaccoder/java-design-patterns/blob/0d068a35d802731ac52f226ee6350251418059d4/singleton/src
	https://github.com/javaccoder/java-design-patterns/tree/0d068a35d802731ac52f226ee6350251418059d4
Remove error unit test so pull request can proceed. Will check this at at later date	https://github.com/javaccoder/java-design-patterns/commit/31e2940eb118520dab8a117bcbcbe7cd75ab6009
31e2940	https://github.com/javaccoder/java-design-patterns/commit/31e2940eb118520dab8a117bcbcbe7cd75ab6009
	https://github.com/javaccoder/java-design-patterns/blob/31e2940eb118520dab8a117bcbcbe7cd75ab6009/singleton/src
	https://github.com/javaccoder/java-design-patterns/tree/31e2940eb118520dab8a117bcbcbe7cd75ab6009
Fix unit test by makinig getField use the field name directly	https://github.com/javaccoder/java-design-patterns/commit/0107b24976175bc6757deb26a2d72d67e5f63b3e
0107b24	https://github.com/javaccoder/java-design-patterns/commit/0107b24976175bc6757deb26a2d72d67e5f63b3e
	https://github.com/javaccoder/java-design-patterns/blob/0107b24976175bc6757deb26a2d72d67e5f63b3e/singleton/src
	https://github.com/javaccoder/java-design-patterns/tree/0107b24976175bc6757deb26a2d72d67e5f63b3e
Add additional unit tests to show that singletons can be created in single thread environment and multithread environment. Also add a test to demonstrate a whole with Singleton when instantiating u…	https://github.com/javaccoder/java-design-patterns/commit/45b0ac386e1c492e92093552e40b100557dd9d4c
45b0ac3	https://github.com/javaccoder/java-design-patterns/commit/45b0ac386e1c492e92093552e40b100557dd9d4c
	https://github.com/javaccoder/java-design-patterns/blob/45b0ac386e1c492e92093552e40b100557dd9d4c/singleton/src
	https://github.com/javaccoder/java-design-patterns/tree/45b0ac386e1c492e92093552e40b100557dd9d4c
Add additional unit tests to show that singletons can be created in single thread environment and multithread environment. Also add a test to demonstrate a whole with Singleton when instantiating u…	https://github.com/javaccoder/java-design-patterns/commit/6ba7f5ea048c4864e9ae52b19dedcb20bfc131f2
6ba7f5e	https://github.com/javaccoder/java-design-patterns/commit/6ba7f5ea048c4864e9ae52b19dedcb20bfc131f2
	https://github.com/javaccoder/java-design-patterns/blob/6ba7f5ea048c4864e9ae52b19dedcb20bfc131f2/singleton/src
	https://github.com/javaccoder/java-design-patterns/tree/6ba7f5ea048c4864e9ae52b19dedcb20bfc131f2
Added more Singleton documentation #188	https://github.com/javaccoder/java-design-patterns/commit/6413c4d2be13a0376904ea2690caa8ff899b89ed
	https://github.com/iluwatar
iluwatar	https://github.com/javaccoder/java-design-patterns/commits?author=iluwatar
6413c4d	https://github.com/javaccoder/java-design-patterns/commit/6413c4d2be13a0376904ea2690caa8ff899b89ed
	https://github.com/javaccoder/java-design-patterns/blob/6413c4d2be13a0376904ea2690caa8ff899b89ed/singleton/src
	https://github.com/javaccoder/java-design-patterns/tree/6413c4d2be13a0376904ea2690caa8ff899b89ed
eliminate all warnings of checkstyle.	https://github.com/javaccoder/java-design-patterns/commit/60f9b7127819e383edd374fe3b80b79f7ee994a9
	https://github.com/zafarella
zafarella	https://github.com/javaccoder/java-design-patterns/commits?author=zafarella
60f9b71	https://github.com/javaccoder/java-design-patterns/commit/60f9b7127819e383edd374fe3b80b79f7ee994a9
	https://github.com/javaccoder/java-design-patterns/blob/60f9b7127819e383edd374fe3b80b79f7ee994a9/singleton/src
	https://github.com/javaccoder/java-design-patterns/tree/60f9b7127819e383edd374fe3b80b79f7ee994a9
checkstyle fixes - docs, indent etc	https://github.com/javaccoder/java-design-patterns/commit/36809537d997bc39d8c7e7d51670add5213fa603
	https://github.com/zafarella
zafarella	https://github.com/javaccoder/java-design-patterns/commits?author=zafarella
3680953	https://github.com/javaccoder/java-design-patterns/commit/36809537d997bc39d8c7e7d51670add5213fa603
	https://github.com/javaccoder/java-design-patterns/blob/36809537d997bc39d8c7e7d51670add5213fa603/singleton/src
	https://github.com/javaccoder/java-design-patterns/tree/36809537d997bc39d8c7e7d51670add5213fa603
#107 JavaDoc for Singleton	https://github.com/javaccoder/java-design-patterns/commit/4bf2e3f16de06dc426994b79bdd4d4901b6fd5e8
	https://github.com/iluwatar
iluwatar	https://github.com/javaccoder/java-design-patterns/commits?author=iluwatar
4bf2e3f	https://github.com/javaccoder/java-design-patterns/commit/4bf2e3f16de06dc426994b79bdd4d4901b6fd5e8
	https://github.com/javaccoder/java-design-patterns/blob/4bf2e3f16de06dc426994b79bdd4d4901b6fd5e8/singleton/src
	https://github.com/javaccoder/java-design-patterns/tree/4bf2e3f16de06dc426994b79bdd4d4901b6fd5e8
#100 Added test case for demonstrating the thread safety issues of a	https://github.com/javaccoder/java-design-patterns/commit/96241f63d2a28449d36f7a4d2cf502d0786caf8d
	https://github.com/iluwatar
iluwatar	https://github.com/javaccoder/java-design-patterns/commits?author=iluwatar
96241f6	https://github.com/javaccoder/java-design-patterns/commit/96241f63d2a28449d36f7a4d2cf502d0786caf8d
	https://github.com/javaccoder/java-design-patterns/blob/96241f63d2a28449d36f7a4d2cf502d0786caf8d/singleton/src
	https://github.com/javaccoder/java-design-patterns/tree/96241f63d2a28449d36f7a4d2cf502d0786caf8d
Changed package naming across all examples.	https://github.com/javaccoder/java-design-patterns/commit/8524c75ba6fd1e2bfe1f5cba3d3c9211bdcbbfcb
	https://github.com/iluwatar
iluwatar	https://github.com/javaccoder/java-design-patterns/commits?author=iluwatar
8524c75	https://github.com/javaccoder/java-design-patterns/commit/8524c75ba6fd1e2bfe1f5cba3d3c9211bdcbbfcb
	https://github.com/javaccoder/java-design-patterns/blob/8524c75ba6fd1e2bfe1f5cba3d3c9211bdcbbfcb/singleton/src
	https://github.com/javaccoder/java-design-patterns/tree/8524c75ba6fd1e2bfe1f5cba3d3c9211bdcbbfcb
Update App.java	https://github.com/javaccoder/java-design-patterns/commit/649b14adf69f322ef203195dc03b7632c6c76772
	https://github.com/mbirkenkamp
mbirkenkamp	https://github.com/javaccoder/java-design-patterns/commits?author=mbirkenkamp
649b14a	https://github.com/javaccoder/java-design-patterns/commit/649b14adf69f322ef203195dc03b7632c6c76772
	https://github.com/javaccoder/java-design-patterns/blob/649b14adf69f322ef203195dc03b7632c6c76772/singleton/src
	https://github.com/javaccoder/java-design-patterns/tree/649b14adf69f322ef203195dc03b7632c6c76772
Update App.java	https://github.com/javaccoder/java-design-patterns/commit/fe625c45be6517fc79108d7b6c65045e7cdef0a8
	https://github.com/mbirkenkamp
mbirkenkamp	https://github.com/javaccoder/java-design-patterns/commits?author=mbirkenkamp
fe625c4	https://github.com/javaccoder/java-design-patterns/commit/fe625c45be6517fc79108d7b6c65045e7cdef0a8
	https://github.com/javaccoder/java-design-patterns/blob/fe625c45be6517fc79108d7b6c65045e7cdef0a8/singleton/src
	https://github.com/javaccoder/java-design-patterns/tree/fe625c45be6517fc79108d7b6c65045e7cdef0a8
Added unit tests for each of the patterns.	https://github.com/javaccoder/java-design-patterns/commit/6301e0bc111e280374f0589495e1313fbd77736e
	https://github.com/iluwatar
iluwatar	https://github.com/javaccoder/java-design-patterns/commits?author=iluwatar
6301e0b	https://github.com/javaccoder/java-design-patterns/commit/6301e0bc111e280374f0589495e1313fbd77736e
	https://github.com/javaccoder/java-design-patterns/blob/6301e0bc111e280374f0589495e1313fbd77736e/singleton/src
	https://github.com/javaccoder/java-design-patterns/tree/6301e0bc111e280374f0589495e1313fbd77736e
Merge branch 'master' of https://github.com/mortezaadi/java-design-patterns into mortezaadi-master	https://github.com/javaccoder/java-design-patterns/commit/5646937d528b7801f45433632d66d0f43b969dce
	https://github.com/iluwatar
iluwatar	https://github.com/javaccoder/java-design-patterns/commits?author=iluwatar
5646937	https://github.com/javaccoder/java-design-patterns/commit/5646937d528b7801f45433632d66d0f43b969dce
	https://github.com/javaccoder/java-design-patterns/blob/5646937d528b7801f45433632d66d0f43b969dce/singleton/src
	https://github.com/javaccoder/java-design-patterns/tree/5646937d528b7801f45433632d66d0f43b969dce
add some references to class comments	https://github.com/javaccoder/java-design-patterns/commit/c06c05757e0f01a0100d5b04d2d5b4cb5cba5b82
	https://github.com/mortezaadi
mortezaadi	https://github.com/javaccoder/java-design-patterns/commits?author=mortezaadi
c06c057	https://github.com/javaccoder/java-design-patterns/commit/c06c05757e0f01a0100d5b04d2d5b4cb5cba5b82
	https://github.com/javaccoder/java-design-patterns/blob/c06c05757e0f01a0100d5b04d2d5b4cb5cba5b82/singleton/src
	https://github.com/javaccoder/java-design-patterns/tree/c06c05757e0f01a0100d5b04d2d5b4cb5cba5b82
Add DCL and Initializing on demand holder idiom.	https://github.com/javaccoder/java-design-patterns/commit/dbc1ca7aebd26bd51df6f6ca5e7ad97f9df56a20
	https://github.com/mortezaadi
mortezaadi	https://github.com/javaccoder/java-design-patterns/commits?author=mortezaadi
dbc1ca7	https://github.com/javaccoder/java-design-patterns/commit/dbc1ca7aebd26bd51df6f6ca5e7ad97f9df56a20
	https://github.com/javaccoder/java-design-patterns/blob/dbc1ca7aebd26bd51df6f6ca5e7ad97f9df56a20/singleton/src
	https://github.com/javaccoder/java-design-patterns/tree/dbc1ca7aebd26bd51df6f6ca5e7ad97f9df56a20
Added comments to singleton app.	https://github.com/javaccoder/java-design-patterns/commit/470f3d24608111613f2a1d41b99ca30345055cc9
	https://github.com/iluwatar
iluwatar	https://github.com/javaccoder/java-design-patterns/commits?author=iluwatar
470f3d2	https://github.com/javaccoder/java-design-patterns/commit/470f3d24608111613f2a1d41b99ca30345055cc9
	https://github.com/javaccoder/java-design-patterns/blob/470f3d24608111613f2a1d41b99ca30345055cc9/singleton/src
	https://github.com/javaccoder/java-design-patterns/tree/470f3d24608111613f2a1d41b99ca30345055cc9
Added comments to lazily initialized singleton implementation.	https://github.com/javaccoder/java-design-patterns/commit/34bc1de713eeebf0c0b5390ec78da14dd2793262
	https://github.com/iluwatar
iluwatar	https://github.com/javaccoder/java-design-patterns/commits?author=iluwatar
34bc1de	https://github.com/javaccoder/java-design-patterns/commit/34bc1de713eeebf0c0b5390ec78da14dd2793262
	https://github.com/javaccoder/java-design-patterns/blob/34bc1de713eeebf0c0b5390ec78da14dd2793262/singleton/src
	https://github.com/javaccoder/java-design-patterns/tree/34bc1de713eeebf0c0b5390ec78da14dd2793262
Added comment to eagerly initialized singleton implementation.	https://github.com/javaccoder/java-design-patterns/commit/0ad5fbfc5c1654ed3889acdae205eed090026c08
	https://github.com/iluwatar
iluwatar	https://github.com/javaccoder/java-design-patterns/commits?author=iluwatar
0ad5fbf	https://github.com/javaccoder/java-design-patterns/commit/0ad5fbfc5c1654ed3889acdae205eed090026c08
	https://github.com/javaccoder/java-design-patterns/blob/0ad5fbfc5c1654ed3889acdae205eed090026c08/singleton/src
	https://github.com/javaccoder/java-design-patterns/tree/0ad5fbfc5c1654ed3889acdae205eed090026c08
Next	https://github.com/javaccoder/java-design-patterns/commits/ProxyExample/singleton/src?after=7d490a9cd46b4295dca8535ca72d781070794f6b+34
	https://github.com
Terms	https://docs.github.com/site-policy/github-terms/github-terms-of-service
Privacy	https://docs.github.com/site-policy/privacy-policies/github-privacy-statement
Security	https://github.com/security
Status	https://www.githubstatus.com/
Community	https://github.community/
Docs	https://docs.github.com/
Contact	https://support.github.com?tags=dotcom-footer

Viewport: width=device-width

URLs of crawlers that visited me.