How to use trim in Java

1. Description

trim() is the most commonly used method by Java developers to remove leading and trailing spaces. For the trim() method, a space character is any character with an ASCII value less than or equal to 32('U 0020').

The trim() method returns a copy of the calling string object, but with all beginnings and ends removed.

2. Example

public class FunTester {
 
    public static void main(String[] args) {
        String string = "    one    two    three    ";
        System.out.println("原始字符串: \"" + string +"\"");
        System.out.println("处理结果: \"" + string.trim() +"\"");
   }
}

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