{"componentChunkName":"component---src-templates-post-template-jsx","path":"/algo/posts/2023-06-06--004","result":{"data":{"site":{"siteMetadata":{"title":"Blog by Eunyoung","subtitle":"작업 기록 블로그","copyright":"© All rights reserved.","author":{"name":"EunYoung","twitter":"#"},"disqusShortname":"","url":"https://ssongey.github.io"}},"markdownRemark":{"id":"fd60b3bc-c80e-5598-b49e-18f96b0a59d8","html":"

문제

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public class Test {\n\n    public static void main(String[] args) {\n        System.out.println(isPalindrome(\"A man, a plan, a canal: Panama\"));\n        System.out.println(isPalindrome(\"race a car\"));\n        System.out.println(isPalindrome(\" \"));\n        System.out.println(isPalindrome(\"0P\"));\n    }\n\n    public static boolean isPalindrome(String s) {\n        //\n    }\n}
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결과 및 풀이

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public static boolean isPalindrome(String s) {\n    StringBuilder newString = new StringBuilder();\n    \n    for (char c : s.toCharArray()) {\n        if (Character.isLetterOrDigit(c)) {\n            newString.append(Character.toLowerCase(c));\n        }\n    }\n\n    return newString.toString().equals(newString.reverse().toString());\n}
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배웠다

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