{"id":22513991,"url":"https://github.com/emahtab/balanced-brackets","last_synced_at":"2026-01-07T11:38:20.023Z","repository":{"id":79525314,"uuid":"225866133","full_name":"eMahtab/balanced-brackets","owner":"eMahtab","description":"Balanced Brackets","archived":false,"fork":false,"pushed_at":"2019-12-04T13:14:49.000Z","size":10,"stargazers_count":1,"open_issues_count":0,"forks_count":0,"subscribers_count":1,"default_branch":"master","last_synced_at":"2025-02-02T03:26:22.680Z","etag":null,"topics":["balanced-brackets","balanced-parentheses","problem-solving","stack"],"latest_commit_sha":null,"homepage":"","language":null,"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/eMahtab.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":"2019-12-04T12:49:25.000Z","updated_at":"2019-12-07T17:24:06.000Z","dependencies_parsed_at":"2023-05-10T17:00:50.173Z","dependency_job_id":null,"html_url":"https://github.com/eMahtab/balanced-brackets","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/eMahtab%2Fbalanced-brackets","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/eMahtab%2Fbalanced-brackets/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/eMahtab%2Fbalanced-brackets/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/eMahtab%2Fbalanced-brackets/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/eMahtab","download_url":"https://codeload.github.com/eMahtab/balanced-brackets/tar.gz/refs/heads/master","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":245952491,"owners_count":20699492,"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":["balanced-brackets","balanced-parentheses","problem-solving","stack"],"created_at":"2024-12-07T03:15:30.250Z","updated_at":"2026-01-07T11:38:19.983Z","avatar_url":"https://github.com/eMahtab.png","language":null,"funding_links":[],"categories":[],"sub_categories":[],"readme":"# Balanced Brackets (Valid Parentheses)\n\nGiven a string containing just the characters '(', ')', '{', '}', '[' and ']', determine if the input string is valid.\n\nAn input string is valid if: Open brackets are closed by the same type of brackets and in the correct order.\n\n#### Note that an empty string is also considered valid.\n```\nExample 1:\nInput: \"()\"\nOutput: true\n\nExample 2:\nInput: \"()[]{}\"\nOutput: true\n\nExample 3:\nInput: \"(]\"\nOutput: false\n```\n\n## Implementation\n```java\nimport java.util.HashMap;\nimport java.util.Map;\nimport java.util.Stack;\n\npublic class App {\n\tpublic static void main(String[] args) {\n\t      String s = \")[]}\";\n\t      System.out.println(isValid(s));\n\t}\n\t\n\tpublic static boolean isValid(String s) {\n              Stack\u003cString\u003e stack = new Stack\u003cString\u003e();\n\t      Map\u003cString,String\u003e map = new HashMap\u003cString,String\u003e();\n\t      map.put(\"]\", \"[\");  map.put(\")\", \"(\");  map.put(\"}\", \"{\");\n\t      for(int i = 0; i \u003c s.length(); i++) {\n\t\t   String st = Character.toString(s.charAt(i));\n\t\t   if(!map.containsKey(st)) {\n\t\t\t stack.push(st);\n\t\t    } else {\n\t\t\tif(stack.isEmpty()) {\n                            return false; \n\t\t\t  } else {\n                            String peek = stack.peek();\n\t\t\t    if(peek.equals(map.get(st))) {\n\t\t\t         stack.pop();\n\t\t\t     } else {\n\t\t\t        return false;\n\t\t\t     }\n                          }\n\t\t    }\n\t     }\n\t  return stack.isEmpty();\n    }\n}\n\n\n```\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Femahtab%2Fbalanced-brackets","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Femahtab%2Fbalanced-brackets","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Femahtab%2Fbalanced-brackets/lists"}