{"id":8340,"date":"2024-10-25T09:27:36","date_gmt":"2024-10-25T13:27:36","guid":{"rendered":"https:\/\/springframework.guru\/?p=8340"},"modified":"2024-10-25T09:27:39","modified_gmt":"2024-10-25T13:27:39","slug":"how-to-use-the-java-substring-method","status":"publish","type":"post","link":"https:\/\/springframework.guru\/how-to-use-the-java-substring-method\/","title":{"rendered":"How to Use the Java Substring Method"},"content":{"rendered":"\n

The substring()<\/code> method in Java is a tool for manipulating strings. It allows you to extract a portion of a string by specifying a start index, and optionally, an end index.<\/p>\n\n\n\n

Basic Usage of substring()<\/code><\/h3>\n\n\n\n

The Java substring()<\/code> method has two variations:<\/p>\n\n\n\n

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  1. substring(int startIndex)<\/code>: Extracts from startIndex<\/code> to the end of the string.<\/li>\n\n\n\n
  2. substring(int startIndex, int endIndex)<\/code>: Extracts characters from startIndex<\/code> to endIndex - 1<\/code>.<\/li>\n<\/ol>\n\n\n\n
    <\/circle><\/circle><\/circle><\/g><\/svg><\/span><\/path><\/path><\/svg><\/span>
    String post <\/span>=<\/span> <\/span>"0123456789012"<\/span>          <\/span>\/\/ Character position<\/span><\/span>\nString text <\/span>=<\/span> <\/span>"Hello, World!"<\/span>;<\/span><\/span>\nString sub1 <\/span>=<\/span> text.<\/span>substring<\/span>(<\/span>7<\/span>);       <\/span>\/\/ "World!"<\/span><\/span>\nString sub2 <\/span>=<\/span> text.<\/span>substring<\/span>(<\/span>0<\/span>, <\/span>5<\/span>);    <\/span>\/\/ "Hello"<\/span><\/span>\nSystem.out.<\/span>println<\/span>(sub1);              <\/span>\/\/ Output: World!<\/span><\/span>\nSystem.out.<\/span>println<\/span>(sub2);              <\/span>\/\/ Output: Hello<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
    In this example:<\/p>\n\n\n\n