{"id":20485714,"url":"https://github.com/alpha74/onlinejudge-hackathonsystem_javaspringboot","last_synced_at":"2026-04-29T12:39:29.844Z","repository":{"id":102838623,"uuid":"600461888","full_name":"alpha74/OnlineJudge-HackathonSystem_JavaSpringBoot","owner":"alpha74","description":"Online Judge/Hackathon system LLD interview design. Coded in Java, Spring Boot.","archived":false,"fork":false,"pushed_at":"2023-02-17T08:23:44.000Z","size":76,"stargazers_count":0,"open_issues_count":0,"forks_count":0,"subscribers_count":1,"default_branch":"main","last_synced_at":"2025-01-16T04:41:30.853Z","etag":null,"topics":["hackathon","hackathon-system","interview","java","machine-coding","machine-coding-interview","mvc","online-judge","oops","spring","spring-boot","system-design"],"latest_commit_sha":null,"homepage":"","language":"Java","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":null,"status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/alpha74.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":null,"code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null}},"created_at":"2023-02-11T15:15:14.000Z","updated_at":"2023-02-12T08:38:17.000Z","dependencies_parsed_at":null,"dependency_job_id":"635e66b9-f97f-49bf-a93f-9d07bad7d077","html_url":"https://github.com/alpha74/OnlineJudge-HackathonSystem_JavaSpringBoot","commit_stats":null,"previous_names":[],"tags_count":0,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/alpha74%2FOnlineJudge-HackathonSystem_JavaSpringBoot","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/alpha74%2FOnlineJudge-HackathonSystem_JavaSpringBoot/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/alpha74%2FOnlineJudge-HackathonSystem_JavaSpringBoot/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/alpha74%2FOnlineJudge-HackathonSystem_JavaSpringBoot/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/alpha74","download_url":"https://codeload.github.com/alpha74/OnlineJudge-HackathonSystem_JavaSpringBoot/tar.gz/refs/heads/main","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":242060666,"owners_count":20065576,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["hackathon","hackathon-system","interview","java","machine-coding","machine-coding-interview","mvc","online-judge","oops","spring","spring-boot","system-design"],"created_at":"2024-11-15T16:32:52.750Z","updated_at":"2026-04-29T12:39:24.825Z","avatar_url":"https://github.com/alpha74.png","language":"Java","funding_links":[],"categories":[],"sub_categories":[],"readme":"\u003cimg src=\"https://cdn-icons-png.flaticon.com/512/2621/2621230.png\" width=\"180px\" height=\"180px\"\u003e\n\n## Online Code Judge or Hackathon System\n\n### Machine Coding Interview\n\n- Codechef, Codeforces, Hackerrank are examples of Online Judges.\n\n- [Hackathon - Complete Problem Statement](https://github.com/alpha74/OnlineJudge_JavaSpringBoot/blob/main/docs/problem-statement.md)\n- Actual submission code is in commit `6aeb0dd`\n\n\n### Code/Run\n\n- Java8, Maven, IntelliJ(Community)\n\n- Driver class `TrackingServiceTest.java`\n- All necessary code in `src` dir\n\n\n\n### Understanding the Working\n\n- To understand the working, read Problem Statement thoroughly.\n- Then explore `dir` in this order:\n  1. Entities\n  2. Repository\n  3. `HackathonServiceTest.java`\n  4. Then, deeply go through Services\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Falpha74%2Fonlinejudge-hackathonsystem_javaspringboot","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Falpha74%2Fonlinejudge-hackathonsystem_javaspringboot","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Falpha74%2Fonlinejudge-hackathonsystem_javaspringboot/lists"}